| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 23 |
2.8%
|
| 0 | 35 |
4.2%
|
|
| 1 | 2 |
0.2%
|
|
| 2 | 1 |
0.1%
|
|
| 3 | 1 |
0.1%
|
|
| 5 | 6 |
0.7%
|
|
| 10 | 11 |
1.3%
|
|
| 15 | 2 |
0.2%
|
|
| 20 | 22 |
2.7%
|
|
| 25 | 1 |
0.1%
|
|
| 30 | 11 |
1.3%
|
|
| 40 | 16 |
1.9%
|
|
| 50 | 35 |
4.2%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 26 |
3.1%
|
|
| 70 | 35 |
4.2%
|
|
| 75 | 4 |
0.5%
|
|
| 80 | 96 |
11.6%
|
|
| 85 | 13 |
1.6%
|
|
| 90 | 130 |
15.7%
|
|
| 92 | 1 |
0.1%
|
|
| 95 | 88 |
10.6%
|
|
| 96 | 1 |
0.1%
|
|
| 97 | 2 |
0.2%
|
|
| 98 | 32 |
3.9%
|
|
| 99 | 22 |
2.7%
|
|
| 100 | 213 |
25.7%
|
|
| Sysmiss | 157 |