| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
5.3%
|
| 0 | 29 |
12.8%
|
|
| 1 | 3 |
1.3%
|
|
| 2 | 1 |
0.4%
|
|
| 4 | 1 |
0.4%
|
|
| 5 | 2 |
0.9%
|
|
| 6 | 1 |
0.4%
|
|
| 10 | 3 |
1.3%
|
|
| 12 | 1 |
0.4%
|
|
| 15 | 1 |
0.4%
|
|
| 20 | 1 |
0.4%
|
|
| 25 | 4 |
1.8%
|
|
| 30 | 9 |
4%
|
|
| 35 | 3 |
1.3%
|
|
| 40 | 4 |
1.8%
|
|
| 45 | 2 |
0.9%
|
|
| 50 | 19 |
8.4%
|
|
| 51 | 1 |
0.4%
|
|
| 55 | 1 |
0.4%
|
|
| 60 | 7 |
3.1%
|
|
| 61 | 1 |
0.4%
|
|
| 65 | 5 |
2.2%
|
|
| 70 | 9 |
4%
|
|
| 75 | 4 |
1.8%
|
|
| 80 | 13 |
5.8%
|
|
| 85 | 3 |
1.3%
|
|
| 90 | 14 |
6.2%
|
|
| 95 | 9 |
4%
|
|
| 100 | 63 |
27.9%
|
|
| Sysmiss | 377 |