| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
3%
|
| 10 | 2 |
0.7%
|
|
| 15 | 1 |
0.4%
|
|
| 20 | 7 |
2.6%
|
|
| 25 | 4 |
1.5%
|
|
| 30 | 16 |
6%
|
|
| 40 | 19 |
7.1%
|
|
| 43 | 1 |
0.4%
|
|
| 47 | 1 |
0.4%
|
|
| 50 | 38 |
14.2%
|
|
| 60 | 33 |
12.3%
|
|
| 65 | 6 |
2.2%
|
|
| 70 | 35 |
13.1%
|
|
| 72 | 1 |
0.4%
|
|
| 75 | 4 |
1.5%
|
|
| 80 | 34 |
12.7%
|
|
| 85 | 2 |
0.7%
|
|
| 90 | 10 |
3.7%
|
|
| 95 | 1 |
0.4%
|
|
| 100 | 45 |
16.8%
|
|
| Sysmiss | 264 |