| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
1.6%
|
| 0 | 1 |
0.3%
|
|
| 5 | 4 |
1.1%
|
|
| 10 | 10 |
2.7%
|
|
| 12 | 1 |
0.3%
|
|
| 15 | 7 |
1.9%
|
|
| 17 | 1 |
0.3%
|
|
| 20 | 20 |
5.4%
|
|
| 25 | 13 |
3.5%
|
|
| 28 | 2 |
0.5%
|
|
| 30 | 36 |
9.8%
|
|
| 33 | 1 |
0.3%
|
|
| 35 | 18 |
4.9%
|
|
| 40 | 42 |
11.4%
|
|
| 45 | 18 |
4.9%
|
|
| 47 | 1 |
0.3%
|
|
| 50 | 42 |
11.4%
|
|
| 55 | 2 |
0.5%
|
|
| 60 | 33 |
9%
|
|
| 65 | 10 |
2.7%
|
|
| 70 | 31 |
8.4%
|
|
| 75 | 4 |
1.1%
|
|
| 80 | 28 |
7.6%
|
|
| 85 | 3 |
0.8%
|
|
| 90 | 19 |
5.2%
|
|
| 95 | 4 |
1.1%
|
|
| 100 | 10 |
2.7%
|
|
| Sysmiss | 205 |