| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
3.3%
|
| 1 | 3 |
1.3%
|
|
| 2 | 2 |
0.8%
|
|
| 3 | 1 |
0.4%
|
|
| 5 | 2 |
0.8%
|
|
| 10 | 5 |
2.1%
|
|
| 12 | 1 |
0.4%
|
|
| 17 | 1 |
0.4%
|
|
| 19 | 1 |
0.4%
|
|
| 20 | 8 |
3.3%
|
|
| 22 | 1 |
0.4%
|
|
| 25 | 3 |
1.3%
|
|
| 27 | 1 |
0.4%
|
|
| 30 | 6 |
2.5%
|
|
| 32 | 1 |
0.4%
|
|
| 33 | 5 |
2.1%
|
|
| 36 | 1 |
0.4%
|
|
| 40 | 4 |
1.7%
|
|
| 49 | 1 |
0.4%
|
|
| 50 | 56 |
23.3%
|
|
| 51 | 2 |
0.8%
|
|
| 53 | 1 |
0.4%
|
|
| 57 | 1 |
0.4%
|
|
| 60 | 4 |
1.7%
|
|
| 65 | 3 |
1.3%
|
|
| 70 | 4 |
1.7%
|
|
| 75 | 2 |
0.8%
|
|
| 76 | 3 |
1.3%
|
|
| 77 | 1 |
0.4%
|
|
| 78 | 1 |
0.4%
|
|
| 85 | 1 |
0.4%
|
|
| 100 | 106 |
44.2%
|
|
| Sysmiss | 483 |