| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 5 | 4 |
1.3%
|
|
| 6 | 1 |
0.3%
|
|
| 10 | 10 |
3.2%
|
|
| 12 | 1 |
0.3%
|
|
| 15 | 7 |
2.3%
|
|
| 20 | 31 |
10.1%
|
|
| 25 | 9 |
2.9%
|
|
| 30 | 32 |
10.4%
|
|
| 35 | 7 |
2.3%
|
|
| 37 | 1 |
0.3%
|
|
| 40 | 27 |
8.8%
|
|
| 42 | 1 |
0.3%
|
|
| 45 | 2 |
0.6%
|
|
| 50 | 57 |
18.5%
|
|
| 58 | 1 |
0.3%
|
|
| 60 | 20 |
6.5%
|
|
| 66 | 1 |
0.3%
|
|
| 70 | 19 |
6.2%
|
|
| 72 | 1 |
0.3%
|
|
| 75 | 2 |
0.6%
|
|
| 80 | 11 |
3.6%
|
|
| 85 | 2 |
0.6%
|
|
| 87 | 1 |
0.3%
|
|
| 90 | 14 |
4.5%
|
|
| 95 | 6 |
1.9%
|
|
| 98 | 2 |
0.6%
|
|
| 99 | 2 |
0.6%
|
|
| 100 | 36 |
11.7%
|
|
| Sysmiss | 452 |