| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
2.1%
|
| 0 | 2 |
0.5%
|
|
| 1 | 1 |
0.3%
|
|
| 2 | 6 |
1.6%
|
|
| 3 | 6 |
1.6%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 9 |
2.4%
|
|
| 6 | 5 |
1.3%
|
|
| 8 | 1 |
0.3%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 24 |
6.3%
|
|
| 12 | 1 |
0.3%
|
|
| 15 | 16 |
4.2%
|
|
| 20 | 48 |
12.6%
|
|
| 25 | 20 |
5.3%
|
|
| 28 | 1 |
0.3%
|
|
| 30 | 45 |
11.8%
|
|
| 32 | 1 |
0.3%
|
|
| 35 | 6 |
1.6%
|
|
| 40 | 30 |
7.9%
|
|
| 45 | 14 |
3.7%
|
|
| 50 | 54 |
14.2%
|
|
| 55 | 2 |
0.5%
|
|
| 60 | 23 |
6.1%
|
|
| 65 | 3 |
0.8%
|
|
| 68 | 1 |
0.3%
|
|
| 70 | 13 |
3.4%
|
|
| 75 | 3 |
0.8%
|
|
| 80 | 12 |
3.2%
|
|
| 85 | 5 |
1.3%
|
|
| 90 | 10 |
2.6%
|
|
| 99 | 2 |
0.5%
|
|
| 100 | 6 |
1.6%
|
|
| Sysmiss | 192 |