| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| -9 | Don't know (spontaneous) | 4 | 
                                    
                                    2.1%
                                 | 
| 0 | 1 | 
                                    
                                    0.5%
                                 | |
| 2 | 7 | 
                                    
                                    3.7%
                                 | |
| 3 | 7 | 
                                    
                                    3.7%
                                 | |
| 4 | 6 | 
                                    
                                    3.1%
                                 | |
| 5 | 8 | 
                                    
                                    4.2%
                                 | |
| 6 | 8 | 
                                    
                                    4.2%
                                 | |
| 7 | 6 | 
                                    
                                    3.1%
                                 | |
| 8 | 6 | 
                                    
                                    3.1%
                                 | |
| 9 | 1 | 
                                    
                                    0.5%
                                 | |
| 10 | 5 | 
                                    
                                    2.6%
                                 | |
| 11 | 2 | 
                                    
                                    1%
                                 | |
| 12 | 6 | 
                                    
                                    3.1%
                                 | |
| 13 | 4 | 
                                    
                                    2.1%
                                 | |
| 14 | 5 | 
                                    
                                    2.6%
                                 | |
| 15 | 3 | 
                                    
                                    1.6%
                                 | |
| 16 | 3 | 
                                    
                                    1.6%
                                 | |
| 17 | 4 | 
                                    
                                    2.1%
                                 | |
| 18 | 1 | 
                                    
                                    0.5%
                                 | |
| 19 | 1 | 
                                    
                                    0.5%
                                 | |
| 20 | 5 | 
                                    
                                    2.6%
                                 | |
| 22 | 1 | 
                                    
                                    0.5%
                                 | |
| 23 | 1 | 
                                    
                                    0.5%
                                 | |
| 25 | 7 | 
                                    
                                    3.7%
                                 | |
| 27 | 3 | 
                                    
                                    1.6%
                                 | |
| 29 | 1 | 
                                    
                                    0.5%
                                 | |
| 30 | 3 | 
                                    
                                    1.6%
                                 | |
| 31 | 2 | 
                                    
                                    1%
                                 | |
| 32 | 2 | 
                                    
                                    1%
                                 | |
| 35 | 1 | 
                                    
                                    0.5%
                                 | |
| 36 | 1 | 
                                    
                                    0.5%
                                 | |
| 37 | 2 | 
                                    
                                    1%
                                 | |
| 38 | 1 | 
                                    
                                    0.5%
                                 | |
| 39 | 1 | 
                                    
                                    0.5%
                                 | |
| 40 | 3 | 
                                    
                                    1.6%
                                 | |
| 45 | 1 | 
                                    
                                    0.5%
                                 | |
| 47 | 1 | 
                                    
                                    0.5%
                                 | |
| 52 | 1 | 
                                    
                                    0.5%
                                 | |
| 55 | 2 | 
                                    
                                    1%
                                 | |
| 60 | 4 | 
                                    
                                    2.1%
                                 | |
| 64 | 1 | 
                                    
                                    0.5%
                                 | |
| 65 | 2 | 
                                    
                                    1%
                                 | |
| 69 | 1 | 
                                    
                                    0.5%
                                 | |
| 70 | 7 | 
                                    
                                    3.7%
                                 | |
| 75 | 1 | 
                                    
                                    0.5%
                                 | |
| 78 | 2 | 
                                    
                                    1%
                                 | |
| 80 | 1 | 
                                    
                                    0.5%
                                 | |
| 85 | 1 | 
                                    
                                    0.5%
                                 | |
| 89 | 1 | 
                                    
                                    0.5%
                                 | |
| 96 | 1 | 
                                    
                                    0.5%
                                 | |
| 104 | 1 | 
                                    
                                    0.5%
                                 | |
| 107 | 1 | 
                                    
                                    0.5%
                                 | |
| 110 | 1 | 
                                    
                                    0.5%
                                 | |
| 112 | 1 | 
                                    
                                    0.5%
                                 | |
| 114 | 1 | 
                                    
                                    0.5%
                                 | |
| 115 | 1 | 
                                    
                                    0.5%
                                 | |
| 120 | 1 | 
                                    
                                    0.5%
                                 | |
| 122 | 1 | 
                                    
                                    0.5%
                                 | |
| 127 | 1 | 
                                    
                                    0.5%
                                 | |
| 138 | 1 | 
                                    
                                    0.5%
                                 | |
| 150 | 2 | 
                                    
                                    1%
                                 | |
| 160 | 2 | 
                                    
                                    1%
                                 | |
| 164 | 1 | 
                                    
                                    0.5%
                                 | |
| 170 | 1 | 
                                    
                                    0.5%
                                 | |
| 180 | 1 | 
                                    
                                    0.5%
                                 | |
| 197 | 1 | 
                                    
                                    0.5%
                                 | |
| 233 | 1 | 
                                    
                                    0.5%
                                 | |
| 250 | 1 | 
                                    
                                    0.5%
                                 | |
| 260 | 1 | 
                                    
                                    0.5%
                                 | |
| 263 | 1 | 
                                    
                                    0.5%
                                 | |
| 300 | 3 | 
                                    
                                    1.6%
                                 | |
| 310 | 2 | 
                                    
                                    1%
                                 | |
| 330 | 1 | 
                                    
                                    0.5%
                                 | |
| 340 | 1 | 
                                    
                                    0.5%
                                 | |
| 360 | 1 | 
                                    
                                    0.5%
                                 | |
| 376 | 1 | 
                                    
                                    0.5%
                                 | |
| 390 | 1 | 
                                    
                                    0.5%
                                 | |
| 450 | 1 | 
                                    
                                    0.5%
                                 | |
| 600 | 1 | 
                                    
                                    0.5%
                                 | |
| 750 | 1 | 
                                    
                                    0.5%
                                 | |
| 800 | 1 | 
                                    
                                    0.5%
                                 | |
| 920 | 1 | 
                                    
                                    0.5%
                                 | |
| 1000 | 1 | 
                                    
                                    0.5%
                                 | |
| 1500 | 1 | 
                                    
                                    0.5%
                                 | |
| 1700 | 1 | 
                                    
                                    0.5%
                                 | |
| 3100 | 1 | 
                                    
                                    0.5%
                                 | |
| 3500 | 1 | 
                                    
                                    0.5%
                                 | |
| Sysmiss | 154 |