| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
1.4%
|
| 0 | 1 |
0.5%
|
|
| 10 | 2 |
0.9%
|
|
| 15 | 2 |
0.9%
|
|
| 20 | 7 |
3.3%
|
|
| 22 | 1 |
0.5%
|
|
| 25 | 2 |
0.9%
|
|
| 30 | 7 |
3.3%
|
|
| 31 | 1 |
0.5%
|
|
| 40 | 8 |
3.8%
|
|
| 42 | 1 |
0.5%
|
|
| 50 | 17 |
8%
|
|
| 58 | 1 |
0.5%
|
|
| 60 | 25 |
11.7%
|
|
| 65 | 3 |
1.4%
|
|
| 66 | 1 |
0.5%
|
|
| 67 | 2 |
0.9%
|
|
| 70 | 11 |
5.2%
|
|
| 73 | 1 |
0.5%
|
|
| 75 | 11 |
5.2%
|
|
| 78 | 1 |
0.5%
|
|
| 80 | 26 |
12.2%
|
|
| 84 | 1 |
0.5%
|
|
| 85 | 2 |
0.9%
|
|
| 90 | 12 |
5.6%
|
|
| 95 | 7 |
3.3%
|
|
| 96 | 1 |
0.5%
|
|
| 98 | 2 |
0.9%
|
|
| 99 | 1 |
0.5%
|
|
| 100 | 53 |
24.9%
|
|
| Sysmiss | 216 |