| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 17 |
4.8%
|
| 0 | 1 |
0.3%
|
|
| 3 | 1 |
0.3%
|
|
| 10 | 1 |
0.3%
|
|
| 13 | 1 |
0.3%
|
|
| 20 | 3 |
0.8%
|
|
| 25 | 1 |
0.3%
|
|
| 30 | 3 |
0.8%
|
|
| 40 | 2 |
0.6%
|
|
| 50 | 12 |
3.4%
|
|
| 54 | 1 |
0.3%
|
|
| 58 | 1 |
0.3%
|
|
| 60 | 12 |
3.4%
|
|
| 65 | 2 |
0.6%
|
|
| 70 | 22 |
6.2%
|
|
| 75 | 6 |
1.7%
|
|
| 80 | 42 |
11.8%
|
|
| 85 | 4 |
1.1%
|
|
| 90 | 36 |
10.1%
|
|
| 95 | 16 |
4.5%
|
|
| 98 | 4 |
1.1%
|
|
| 99 | 5 |
1.4%
|
|
| 100 | 162 |
45.6%
|
|
| Sysmiss | 245 |