| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 0 | 6 | 
                                    
                                    4.2%
                                 | |
| 1 | 2 | 
                                    
                                    1.4%
                                 | |
| 2 | 5 | 
                                    
                                    3.5%
                                 | |
| 3 | 7 | 
                                    
                                    4.9%
                                 | |
| 4 | 7 | 
                                    
                                    4.9%
                                 | |
| 5 | 9 | 
                                    
                                    6.3%
                                 | |
| 6 | 5 | 
                                    
                                    3.5%
                                 | |
| 7 | 3 | 
                                    
                                    2.1%
                                 | |
| 8 | 1 | 
                                    
                                    0.7%
                                 | |
| 9 | 2 | 
                                    
                                    1.4%
                                 | |
| 10 | 5 | 
                                    
                                    3.5%
                                 | |
| 11 | 2 | 
                                    
                                    1.4%
                                 | |
| 12 | 3 | 
                                    
                                    2.1%
                                 | |
| 14 | 4 | 
                                    
                                    2.8%
                                 | |
| 15 | 4 | 
                                    
                                    2.8%
                                 | |
| 17 | 1 | 
                                    
                                    0.7%
                                 | |
| 18 | 1 | 
                                    
                                    0.7%
                                 | |
| 19 | 3 | 
                                    
                                    2.1%
                                 | |
| 20 | 6 | 
                                    
                                    4.2%
                                 | |
| 23 | 1 | 
                                    
                                    0.7%
                                 | |
| 25 | 1 | 
                                    
                                    0.7%
                                 | |
| 26 | 3 | 
                                    
                                    2.1%
                                 | |
| 27 | 1 | 
                                    
                                    0.7%
                                 | |
| 30 | 2 | 
                                    
                                    1.4%
                                 | |
| 31 | 1 | 
                                    
                                    0.7%
                                 | |
| 34 | 1 | 
                                    
                                    0.7%
                                 | |
| 35 | 3 | 
                                    
                                    2.1%
                                 | |
| 36 | 1 | 
                                    
                                    0.7%
                                 | |
| 39 | 2 | 
                                    
                                    1.4%
                                 | |
| 40 | 1 | 
                                    
                                    0.7%
                                 | |
| 42 | 2 | 
                                    
                                    1.4%
                                 | |
| 45 | 3 | 
                                    
                                    2.1%
                                 | |
| 46 | 1 | 
                                    
                                    0.7%
                                 | |
| 47 | 1 | 
                                    
                                    0.7%
                                 | |
| 49 | 1 | 
                                    
                                    0.7%
                                 | |
| 50 | 1 | 
                                    
                                    0.7%
                                 | |
| 55 | 2 | 
                                    
                                    1.4%
                                 | |
| 56 | 1 | 
                                    
                                    0.7%
                                 | |
| 59 | 2 | 
                                    
                                    1.4%
                                 | |
| 60 | 1 | 
                                    
                                    0.7%
                                 | |
| 65 | 1 | 
                                    
                                    0.7%
                                 | |
| 68 | 2 | 
                                    
                                    1.4%
                                 | |
| 73 | 1 | 
                                    
                                    0.7%
                                 | |
| 74 | 1 | 
                                    
                                    0.7%
                                 | |
| 76 | 1 | 
                                    
                                    0.7%
                                 | |
| 77 | 1 | 
                                    
                                    0.7%
                                 | |
| 80 | 2 | 
                                    
                                    1.4%
                                 | |
| 83 | 1 | 
                                    
                                    0.7%
                                 | |
| 84 | 2 | 
                                    
                                    1.4%
                                 | |
| 90 | 1 | 
                                    
                                    0.7%
                                 | |
| 100 | 1 | 
                                    
                                    0.7%
                                 | |
| 105 | 1 | 
                                    
                                    0.7%
                                 | |
| 109 | 1 | 
                                    
                                    0.7%
                                 | |
| 111 | 1 | 
                                    
                                    0.7%
                                 | |
| 117 | 1 | 
                                    
                                    0.7%
                                 | |
| 120 | 1 | 
                                    
                                    0.7%
                                 | |
| 132 | 1 | 
                                    
                                    0.7%
                                 | |
| 157 | 1 | 
                                    
                                    0.7%
                                 | |
| 160 | 1 | 
                                    
                                    0.7%
                                 | |
| 176 | 1 | 
                                    
                                    0.7%
                                 | |
| 180 | 1 | 
                                    
                                    0.7%
                                 | |
| 217 | 1 | 
                                    
                                    0.7%
                                 | |
| 238 | 1 | 
                                    
                                    0.7%
                                 | |
| 241 | 1 | 
                                    
                                    0.7%
                                 | |
| 245 | 1 | 
                                    
                                    0.7%
                                 | |
| 250 | 1 | 
                                    
                                    0.7%
                                 | |
| 253 | 1 | 
                                    
                                    0.7%
                                 | |
| 297 | 1 | 
                                    
                                    0.7%
                                 | |
| 330 | 1 | 
                                    
                                    0.7%
                                 | |
| 566 | 1 | 
                                    
                                    0.7%
                                 | |
| 1150 | 1 | 
                                    
                                    0.7%
                                 | |
| Sysmiss | 260 |