| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
2%
|
| 0 | 41 |
13.8%
|
|
| 2 | 1 |
0.3%
|
|
| 5 | 3 |
1%
|
|
| 10 | 5 |
1.7%
|
|
| 15 | 2 |
0.7%
|
|
| 20 | 25 |
8.4%
|
|
| 25 | 2 |
0.7%
|
|
| 30 | 18 |
6%
|
|
| 35 | 2 |
0.7%
|
|
| 40 | 9 |
3%
|
|
| 44 | 1 |
0.3%
|
|
| 50 | 9 |
3%
|
|
| 57 | 1 |
0.3%
|
|
| 59 | 1 |
0.3%
|
|
| 60 | 7 |
2.3%
|
|
| 65 | 2 |
0.7%
|
|
| 66 | 1 |
0.3%
|
|
| 68 | 1 |
0.3%
|
|
| 70 | 4 |
1.3%
|
|
| 75 | 1 |
0.3%
|
|
| 76 | 1 |
0.3%
|
|
| 80 | 7 |
2.3%
|
|
| 85 | 2 |
0.7%
|
|
| 90 | 3 |
1%
|
|
| 97 | 1 |
0.3%
|
|
| 98 | 1 |
0.3%
|
|
| 100 | 141 |
47.3%
|
|
| Sysmiss | 111 |