| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 28 |
6.4%
|
| 0 | 19 |
4.4%
|
|
| 5 | 1 |
0.2%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 5 |
1.1%
|
|
| 25 | 1 |
0.2%
|
|
| 30 | 2 |
0.5%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 4 |
0.9%
|
|
| 45 | 1 |
0.2%
|
|
| 48 | 1 |
0.2%
|
|
| 50 | 26 |
6%
|
|
| 55 | 1 |
0.2%
|
|
| 60 | 11 |
2.5%
|
|
| 65 | 1 |
0.2%
|
|
| 70 | 10 |
2.3%
|
|
| 75 | 3 |
0.7%
|
|
| 80 | 28 |
6.4%
|
|
| 85 | 4 |
0.9%
|
|
| 87 | 1 |
0.2%
|
|
| 90 | 18 |
4.1%
|
|
| 93 | 1 |
0.2%
|
|
| 95 | 6 |
1.4%
|
|
| 100 | 262 |
60.1%
|
|
| Sysmiss | 901 |