| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
9.1%
|
| 0 | 9 |
5.1%
|
|
| 1 | 12 |
6.9%
|
|
| 2 | 18 |
10.3%
|
|
| 3 | 8 |
4.6%
|
|
| 4 | 12 |
6.9%
|
|
| 5 | 12 |
6.9%
|
|
| 6 | 11 |
6.3%
|
|
| 7 | 4 |
2.3%
|
|
| 8 | 8 |
4.6%
|
|
| 9 | 1 |
0.6%
|
|
| 10 | 16 |
9.1%
|
|
| 11 | 1 |
0.6%
|
|
| 12 | 1 |
0.6%
|
|
| 15 | 4 |
2.3%
|
|
| 16 | 4 |
2.3%
|
|
| 20 | 6 |
3.4%
|
|
| 21 | 1 |
0.6%
|
|
| 30 | 6 |
3.4%
|
|
| 40 | 4 |
2.3%
|
|
| 45 | 2 |
1.1%
|
|
| 50 | 4 |
2.3%
|
|
| 55 | 1 |
0.6%
|
|
| 80 | 2 |
1.1%
|
|
| 89 | 1 |
0.6%
|
|
| 98 | 1 |
0.6%
|
|
| 100 | 1 |
0.6%
|
|
| 150 | 2 |
1.1%
|
|
| 200 | 2 |
1.1%
|
|
| 320 | 1 |
0.6%
|
|
| 390 | 1 |
0.6%
|
|
| 400 | 1 |
0.6%
|
|
| 500 | 1 |
0.6%
|
|
| 995 | 1 |
0.6%
|
|
| Sysmiss | 426 |