| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 45 |
21.5%
|
| 2 | 4 |
1.9%
|
|
| 3 | 6 |
2.9%
|
|
| 4 | 13 |
6.2%
|
|
| 5 | 18 |
8.6%
|
|
| 6 | 10 |
4.8%
|
|
| 7 | 20 |
9.6%
|
|
| 8 | 10 |
4.8%
|
|
| 9 | 5 |
2.4%
|
|
| 10 | 11 |
5.3%
|
|
| 11 | 6 |
2.9%
|
|
| 12 | 9 |
4.3%
|
|
| 13 | 1 |
0.5%
|
|
| 14 | 2 |
1%
|
|
| 15 | 7 |
3.3%
|
|
| 16 | 2 |
1%
|
|
| 17 | 2 |
1%
|
|
| 18 | 2 |
1%
|
|
| 20 | 5 |
2.4%
|
|
| 21 | 1 |
0.5%
|
|
| 23 | 1 |
0.5%
|
|
| 30 | 2 |
1%
|
|
| 31 | 1 |
0.5%
|
|
| 34 | 1 |
0.5%
|
|
| 35 | 1 |
0.5%
|
|
| 36 | 1 |
0.5%
|
|
| 38 | 1 |
0.5%
|
|
| 39 | 1 |
0.5%
|
|
| 40 | 2 |
1%
|
|
| 41 | 2 |
1%
|
|
| 50 | 1 |
0.5%
|
|
| 55 | 1 |
0.5%
|
|
| 66 | 1 |
0.5%
|
|
| 76 | 1 |
0.5%
|
|
| 99 | 1 |
0.5%
|
|
| 100 | 1 |
0.5%
|
|
| 108 | 1 |
0.5%
|
|
| 109 | 1 |
0.5%
|
|
| 115 | 1 |
0.5%
|
|
| 128 | 1 |
0.5%
|
|
| 143 | 1 |
0.5%
|
|
| 193 | 1 |
0.5%
|
|
| 220 | 1 |
0.5%
|
|
| 225 | 1 |
0.5%
|
|
| 230 | 1 |
0.5%
|
|
| 233 | 1 |
0.5%
|
|
| 490 | 1 |
0.5%
|
|
| Sysmiss | 1114 |