| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
3.6%
|
| 0 | 7 |
2.1%
|
|
| 1 | 2 |
0.6%
|
|
| 2 | 9 |
2.7%
|
|
| 3 | 8 |
2.4%
|
|
| 5 | 9 |
2.7%
|
|
| 6 | 1 |
0.3%
|
|
| 10 | 42 |
12.6%
|
|
| 12 | 3 |
0.9%
|
|
| 15 | 10 |
3%
|
|
| 20 | 52 |
15.6%
|
|
| 25 | 19 |
5.7%
|
|
| 30 | 40 |
12%
|
|
| 35 | 4 |
1.2%
|
|
| 40 | 22 |
6.6%
|
|
| 45 | 5 |
1.5%
|
|
| 50 | 44 |
13.2%
|
|
| 55 | 5 |
1.5%
|
|
| 60 | 17 |
5.1%
|
|
| 65 | 1 |
0.3%
|
|
| 70 | 8 |
2.4%
|
|
| 75 | 2 |
0.6%
|
|
| 80 | 6 |
1.8%
|
|
| 90 | 2 |
0.6%
|
|
| 100 | 3 |
0.9%
|
|
| Sysmiss | 239 |