| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 25 |
6.1%
|
| 0 | 2 |
0.5%
|
|
| 2 | 3 |
0.7%
|
|
| 3 | 3 |
0.7%
|
|
| 5 | 21 |
5.1%
|
|
| 7 | 2 |
0.5%
|
|
| 8 | 2 |
0.5%
|
|
| 10 | 31 |
7.5%
|
|
| 12 | 1 |
0.2%
|
|
| 15 | 23 |
5.6%
|
|
| 20 | 49 |
11.9%
|
|
| 25 | 18 |
4.4%
|
|
| 27 | 1 |
0.2%
|
|
| 30 | 44 |
10.7%
|
|
| 35 | 4 |
1%
|
|
| 40 | 37 |
9%
|
|
| 45 | 10 |
2.4%
|
|
| 50 | 62 |
15%
|
|
| 55 | 6 |
1.5%
|
|
| 60 | 21 |
5.1%
|
|
| 65 | 6 |
1.5%
|
|
| 70 | 14 |
3.4%
|
|
| 75 | 10 |
2.4%
|
|
| 80 | 10 |
2.4%
|
|
| 85 | 3 |
0.7%
|
|
| 90 | 3 |
0.7%
|
|
| 100 | 2 |
0.5%
|
|
| Sysmiss | 188 |