| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 37 |
9.3%
|
| 1 | 86 |
21.6%
|
|
| 2 | 57 |
14.3%
|
|
| 3 | 49 |
12.3%
|
|
| 4 | 26 |
6.5%
|
|
| 5 | 30 |
7.5%
|
|
| 6 | 13 |
3.3%
|
|
| 7 | 7 |
1.8%
|
|
| 8 | 9 |
2.3%
|
|
| 9 | 2 |
0.5%
|
|
| 10 | 11 |
2.8%
|
|
| 11 | 2 |
0.5%
|
|
| 12 | 2 |
0.5%
|
|
| 13 | 2 |
0.5%
|
|
| 14 | 3 |
0.8%
|
|
| 15 | 6 |
1.5%
|
|
| 16 | 1 |
0.3%
|
|
| 17 | 2 |
0.5%
|
|
| 18 | 4 |
1%
|
|
| 19 | 1 |
0.3%
|
|
| 20 | 5 |
1.3%
|
|
| 22 | 1 |
0.3%
|
|
| 23 | 1 |
0.3%
|
|
| 25 | 3 |
0.8%
|
|
| 26 | 1 |
0.3%
|
|
| 30 | 2 |
0.5%
|
|
| 32 | 1 |
0.3%
|
|
| 38 | 1 |
0.3%
|
|
| 39 | 1 |
0.3%
|
|
| 40 | 2 |
0.5%
|
|
| 43 | 1 |
0.3%
|
|
| 44 | 1 |
0.3%
|
|
| 45 | 1 |
0.3%
|
|
| 46 | 1 |
0.3%
|
|
| 50 | 5 |
1.3%
|
|
| 55 | 1 |
0.3%
|
|
| 56 | 1 |
0.3%
|
|
| 58 | 1 |
0.3%
|
|
| 60 | 1 |
0.3%
|
|
| 65 | 1 |
0.3%
|
|
| 68 | 1 |
0.3%
|
|
| 70 | 4 |
1%
|
|
| 74 | 1 |
0.3%
|
|
| 80 | 3 |
0.8%
|
|
| 112 | 1 |
0.3%
|
|
| 120 | 1 |
0.3%
|
|
| 150 | 1 |
0.3%
|
|
| 172 | 1 |
0.3%
|
|
| 176 | 1 |
0.3%
|
|
| 223 | 1 |
0.3%
|
|
| 325 | 1 |
0.3%
|
|
| Sysmiss | 841 |