| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 4 |
2.3%
|
|
| 1 | 10 |
5.7%
|
|
| 2 | 7 |
4%
|
|
| 3 | 1 |
0.6%
|
|
| 4 | 5 |
2.8%
|
|
| 5 | 14 |
8%
|
|
| 7 | 1 |
0.6%
|
|
| 8 | 1 |
0.6%
|
|
| 10 | 17 |
9.7%
|
|
| 15 | 18 |
10.2%
|
|
| 18 | 2 |
1.1%
|
|
| 20 | 27 |
15.3%
|
|
| 25 | 12 |
6.8%
|
|
| 27 | 1 |
0.6%
|
|
| 30 | 25 |
14.2%
|
|
| 35 | 3 |
1.7%
|
|
| 40 | 9 |
5.1%
|
|
| 45 | 1 |
0.6%
|
|
| 50 | 6 |
3.4%
|
|
| 60 | 1 |
0.6%
|
|
| 65 | 1 |
0.6%
|
|
| 70 | 2 |
1.1%
|
|
| 75 | 1 |
0.6%
|
|
| 80 | 1 |
0.6%
|
|
| 100 | 6 |
3.4%
|
|
| Sysmiss | 204 |