| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
10.2%
|
| 1 | 8 |
6.8%
|
|
| 5 | 2 |
1.7%
|
|
| 7 | 3 |
2.5%
|
|
| 8 | 1 |
0.8%
|
|
| 9 | 1 |
0.8%
|
|
| 10 | 6 |
5.1%
|
|
| 15 | 2 |
1.7%
|
|
| 17 | 1 |
0.8%
|
|
| 18 | 1 |
0.8%
|
|
| 20 | 8 |
6.8%
|
|
| 25 | 4 |
3.4%
|
|
| 28 | 2 |
1.7%
|
|
| 29 | 1 |
0.8%
|
|
| 30 | 5 |
4.2%
|
|
| 33 | 8 |
6.8%
|
|
| 35 | 1 |
0.8%
|
|
| 39 | 1 |
0.8%
|
|
| 40 | 5 |
4.2%
|
|
| 45 | 2 |
1.7%
|
|
| 46 | 1 |
0.8%
|
|
| 48 | 1 |
0.8%
|
|
| 49 | 3 |
2.5%
|
|
| 50 | 19 |
16.1%
|
|
| 54 | 1 |
0.8%
|
|
| 55 | 1 |
0.8%
|
|
| 60 | 2 |
1.7%
|
|
| 66 | 5 |
4.2%
|
|
| 70 | 1 |
0.8%
|
|
| 75 | 3 |
2.5%
|
|
| 80 | 1 |
0.8%
|
|
| 99 | 2 |
1.7%
|
|
| 100 | 4 |
3.4%
|
|
| Sysmiss | 123 |