| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.6%
|
| 0 | 93 |
60.4%
|
|
| 2 | 1 |
0.6%
|
|
| 5 | 1 |
0.6%
|
|
| 9 | 1 |
0.6%
|
|
| 10 | 8 |
5.2%
|
|
| 15 | 2 |
1.3%
|
|
| 17 | 1 |
0.6%
|
|
| 20 | 10 |
6.5%
|
|
| 30 | 6 |
3.9%
|
|
| 35 | 1 |
0.6%
|
|
| 40 | 2 |
1.3%
|
|
| 50 | 11 |
7.1%
|
|
| 70 | 2 |
1.3%
|
|
| 75 | 1 |
0.6%
|
|
| 80 | 6 |
3.9%
|
|
| 100 | 7 |
4.5%
|
|
| Sysmiss | 197 |