| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.6%
|
| 0 | 30 |
9.3%
|
|
| 10 | 10 |
3.1%
|
|
| 20 | 14 |
4.4%
|
|
| 30 | 20 |
6.2%
|
|
| 40 | 5 |
1.6%
|
|
| 50 | 17 |
5.3%
|
|
| 60 | 8 |
2.5%
|
|
| 65 | 1 |
0.3%
|
|
| 70 | 18 |
5.6%
|
|
| 75 | 1 |
0.3%
|
|
| 80 | 11 |
3.4%
|
|
| 90 | 6 |
1.9%
|
|
| 95 | 4 |
1.2%
|
|
| 98 | 1 |
0.3%
|
|
| 99 | 1 |
0.3%
|
|
| 100 | 172 |
53.6%
|
|
| Sysmiss | 1197 |