| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 55 |
19.4%
|
| 2 | 94 |
33.2%
|
|
| 3 | 36 |
12.7%
|
|
| 4 | 27 |
9.5%
|
|
| 5 | 12 |
4.2%
|
|
| 6 | 10 |
3.5%
|
|
| 7 | 5 |
1.8%
|
|
| 8 | 5 |
1.8%
|
|
| 9 | 1 |
0.4%
|
|
| 11 | 1 |
0.4%
|
|
| 12 | 1 |
0.4%
|
|
| 13 | 1 |
0.4%
|
|
| 14 | 2 |
0.7%
|
|
| 15 | 4 |
1.4%
|
|
| 16 | 3 |
1.1%
|
|
| 17 | 1 |
0.4%
|
|
| 19 | 1 |
0.4%
|
|
| 20 | 1 |
0.4%
|
|
| 25 | 2 |
0.7%
|
|
| 26 | 1 |
0.4%
|
|
| 28 | 1 |
0.4%
|
|
| 30 | 2 |
0.7%
|
|
| 31 | 1 |
0.4%
|
|
| 35 | 1 |
0.4%
|
|
| 40 | 2 |
0.7%
|
|
| 50 | 2 |
0.7%
|
|
| 60 | 1 |
0.4%
|
|
| 80 | 2 |
0.7%
|
|
| 90 | 1 |
0.4%
|
|
| 98 | 1 |
0.4%
|
|
| 120 | 2 |
0.7%
|
|
| 140 | 1 |
0.4%
|
|
| 150 | 1 |
0.4%
|
|
| 160 | 1 |
0.4%
|
|
| 400 | 1 |
0.4%
|
|
| Sysmiss | 1017 |