| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 |
4.4%
|
| 5 | 1 |
0.3%
|
|
| 15 | 1 |
0.3%
|
|
| 20 | 6 |
1.9%
|
|
| 25 | 2 |
0.6%
|
|
| 30 | 12 |
3.8%
|
|
| 35 | 1 |
0.3%
|
|
| 40 | 4 |
1.3%
|
|
| 45 | 1 |
0.3%
|
|
| 50 | 20 |
6.3%
|
|
| 55 | 3 |
1%
|
|
| 60 | 38 |
12.1%
|
|
| 65 | 7 |
2.2%
|
|
| 68 | 1 |
0.3%
|
|
| 69 | 1 |
0.3%
|
|
| 70 | 33 |
10.5%
|
|
| 75 | 12 |
3.8%
|
|
| 77 | 1 |
0.3%
|
|
| 80 | 56 |
17.8%
|
|
| 82 | 1 |
0.3%
|
|
| 85 | 5 |
1.6%
|
|
| 88 | 1 |
0.3%
|
|
| 90 | 33 |
10.5%
|
|
| 92 | 2 |
0.6%
|
|
| 95 | 4 |
1.3%
|
|
| 99 | 1 |
0.3%
|
|
| 100 | 54 |
17.1%
|
|
| Sysmiss | 285 |