| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 | 
                                    
                                    0.2%
                                 | 
| 0 | 17 | 
                                    
                                    4.1%
                                 | |
| 1 | 40 | 
                                    
                                    9.6%
                                 | |
| 2 | 42 | 
                                    
                                    10.1%
                                 | |
| 3 | 25 | 
                                    
                                    6%
                                 | |
| 4 | 29 | 
                                    
                                    7%
                                 | |
| 5 | 28 | 
                                    
                                    6.7%
                                 | |
| 6 | 9 | 
                                    
                                    2.2%
                                 | |
| 7 | 8 | 
                                    
                                    1.9%
                                 | |
| 8 | 11 | 
                                    
                                    2.6%
                                 | |
| 9 | 6 | 
                                    
                                    1.4%
                                 | |
| 10 | 25 | 
                                    
                                    6%
                                 | |
| 11 | 4 | 
                                    
                                    1%
                                 | |
| 12 | 6 | 
                                    
                                    1.4%
                                 | |
| 13 | 2 | 
                                    
                                    0.5%
                                 | |
| 14 | 2 | 
                                    
                                    0.5%
                                 | |
| 15 | 9 | 
                                    
                                    2.2%
                                 | |
| 16 | 4 | 
                                    
                                    1%
                                 | |
| 17 | 3 | 
                                    
                                    0.7%
                                 | |
| 18 | 2 | 
                                    
                                    0.5%
                                 | |
| 19 | 1 | 
                                    
                                    0.2%
                                 | |
| 20 | 24 | 
                                    
                                    5.8%
                                 | |
| 22 | 1 | 
                                    
                                    0.2%
                                 | |
| 24 | 3 | 
                                    
                                    0.7%
                                 | |
| 25 | 5 | 
                                    
                                    1.2%
                                 | |
| 26 | 1 | 
                                    
                                    0.2%
                                 | |
| 27 | 1 | 
                                    
                                    0.2%
                                 | |
| 28 | 1 | 
                                    
                                    0.2%
                                 | |
| 29 | 2 | 
                                    
                                    0.5%
                                 | |
| 30 | 10 | 
                                    
                                    2.4%
                                 | |
| 31 | 1 | 
                                    
                                    0.2%
                                 | |
| 32 | 3 | 
                                    
                                    0.7%
                                 | |
| 33 | 2 | 
                                    
                                    0.5%
                                 | |
| 34 | 2 | 
                                    
                                    0.5%
                                 | |
| 35 | 2 | 
                                    
                                    0.5%
                                 | |
| 39 | 1 | 
                                    
                                    0.2%
                                 | |
| 40 | 5 | 
                                    
                                    1.2%
                                 | |
| 44 | 1 | 
                                    
                                    0.2%
                                 | |
| 45 | 1 | 
                                    
                                    0.2%
                                 | |
| 47 | 2 | 
                                    
                                    0.5%
                                 | |
| 50 | 12 | 
                                    
                                    2.9%
                                 | |
| 53 | 1 | 
                                    
                                    0.2%
                                 | |
| 54 | 1 | 
                                    
                                    0.2%
                                 | |
| 60 | 4 | 
                                    
                                    1%
                                 | |
| 61 | 1 | 
                                    
                                    0.2%
                                 | |
| 62 | 1 | 
                                    
                                    0.2%
                                 | |
| 63 | 1 | 
                                    
                                    0.2%
                                 | |
| 70 | 6 | 
                                    
                                    1.4%
                                 | |
| 78 | 1 | 
                                    
                                    0.2%
                                 | |
| 80 | 4 | 
                                    
                                    1%
                                 | |
| 81 | 1 | 
                                    
                                    0.2%
                                 | |
| 86 | 1 | 
                                    
                                    0.2%
                                 | |
| 89 | 1 | 
                                    
                                    0.2%
                                 | |
| 94 | 1 | 
                                    
                                    0.2%
                                 | |
| 95 | 1 | 
                                    
                                    0.2%
                                 | |
| 100 | 10 | 
                                    
                                    2.4%
                                 | |
| 105 | 1 | 
                                    
                                    0.2%
                                 | |
| 115 | 1 | 
                                    
                                    0.2%
                                 | |
| 120 | 2 | 
                                    
                                    0.5%
                                 | |
| 122 | 1 | 
                                    
                                    0.2%
                                 | |
| 125 | 1 | 
                                    
                                    0.2%
                                 | |
| 140 | 1 | 
                                    
                                    0.2%
                                 | |
| 148 | 1 | 
                                    
                                    0.2%
                                 | |
| 150 | 5 | 
                                    
                                    1.2%
                                 | |
| 160 | 2 | 
                                    
                                    0.5%
                                 | |
| 170 | 1 | 
                                    
                                    0.2%
                                 | |
| 200 | 5 | 
                                    
                                    1.2%
                                 | |
| 220 | 1 | 
                                    
                                    0.2%
                                 | |
| 250 | 2 | 
                                    
                                    0.5%
                                 | |
| 300 | 2 | 
                                    
                                    0.5%
                                 | |
| 400 | 1 | 
                                    
                                    0.2%
                                 | |
| 563 | 1 | 
                                    
                                    0.2%
                                 | |
| Sysmiss | 607 |