| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
4.1%
|
| 3 | 1 |
0.7%
|
|
| 5 | 1 |
0.7%
|
|
| 20 | 1 |
0.7%
|
|
| 24 | 1 |
0.7%
|
|
| 25 | 1 |
0.7%
|
|
| 30 | 3 |
2.1%
|
|
| 35 | 1 |
0.7%
|
|
| 36 | 1 |
0.7%
|
|
| 40 | 64 |
43.8%
|
|
| 42 | 2 |
1.4%
|
|
| 43 | 1 |
0.7%
|
|
| 45 | 6 |
4.1%
|
|
| 46 | 3 |
2.1%
|
|
| 47 | 1 |
0.7%
|
|
| 48 | 26 |
17.8%
|
|
| 50 | 7 |
4.8%
|
|
| 52 | 1 |
0.7%
|
|
| 53 | 1 |
0.7%
|
|
| 56 | 11 |
7.5%
|
|
| 60 | 3 |
2.1%
|
|
| 72 | 1 |
0.7%
|
|
| 96 | 2 |
1.4%
|
|
| 112 | 1 |
0.7%
|
|
| Sysmiss | 231 |