| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 17 |
11.5%
|
| 1 | 7 |
4.7%
|
|
| 2 | 1 |
0.7%
|
|
| 5 | 3 |
2%
|
|
| 6 | 1 |
0.7%
|
|
| 7 | 1 |
0.7%
|
|
| 10 | 7 |
4.7%
|
|
| 13 | 1 |
0.7%
|
|
| 15 | 1 |
0.7%
|
|
| 20 | 8 |
5.4%
|
|
| 24 | 1 |
0.7%
|
|
| 25 | 5 |
3.4%
|
|
| 26 | 2 |
1.4%
|
|
| 28 | 1 |
0.7%
|
|
| 29 | 1 |
0.7%
|
|
| 30 | 7 |
4.7%
|
|
| 33 | 2 |
1.4%
|
|
| 34 | 1 |
0.7%
|
|
| 35 | 1 |
0.7%
|
|
| 39 | 1 |
0.7%
|
|
| 40 | 2 |
1.4%
|
|
| 42 | 1 |
0.7%
|
|
| 45 | 1 |
0.7%
|
|
| 47 | 1 |
0.7%
|
|
| 49 | 3 |
2%
|
|
| 50 | 48 |
32.4%
|
|
| 55 | 1 |
0.7%
|
|
| 64 | 1 |
0.7%
|
|
| 66 | 3 |
2%
|
|
| 70 | 1 |
0.7%
|
|
| 80 | 1 |
0.7%
|
|
| 85 | 1 |
0.7%
|
|
| 90 | 1 |
0.7%
|
|
| 95 | 1 |
0.7%
|
|
| 99 | 3 |
2%
|
|
| 100 | 10 |
6.8%
|
|
| Sysmiss | 172 |