| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
4.4%
|
| 1 | 2 |
0.8%
|
|
| 2 | 2 |
0.8%
|
|
| 3 | 1 |
0.4%
|
|
| 4 | 1 |
0.4%
|
|
| 5 | 8 |
3.2%
|
|
| 6 | 1 |
0.4%
|
|
| 10 | 12 |
4.8%
|
|
| 12 | 2 |
0.8%
|
|
| 13 | 1 |
0.4%
|
|
| 14 | 1 |
0.4%
|
|
| 15 | 2 |
0.8%
|
|
| 19 | 1 |
0.4%
|
|
| 20 | 16 |
6.4%
|
|
| 25 | 10 |
4%
|
|
| 30 | 7 |
2.8%
|
|
| 33 | 5 |
2%
|
|
| 35 | 3 |
1.2%
|
|
| 40 | 13 |
5.2%
|
|
| 41 | 2 |
0.8%
|
|
| 42 | 1 |
0.4%
|
|
| 45 | 3 |
1.2%
|
|
| 48 | 1 |
0.4%
|
|
| 49 | 2 |
0.8%
|
|
| 50 | 72 |
28.9%
|
|
| 55 | 2 |
0.8%
|
|
| 57 | 1 |
0.4%
|
|
| 60 | 11 |
4.4%
|
|
| 63 | 1 |
0.4%
|
|
| 65 | 3 |
1.2%
|
|
| 66 | 2 |
0.8%
|
|
| 67 | 1 |
0.4%
|
|
| 70 | 6 |
2.4%
|
|
| 75 | 3 |
1.2%
|
|
| 80 | 2 |
0.8%
|
|
| 90 | 4 |
1.6%
|
|
| 99 | 1 |
0.4%
|
|
| 100 | 32 |
12.9%
|
|
| Sysmiss | 129 |