| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 41 |
10.8%
|
|
| 10 | 3 |
0.8%
|
|
| 15 | 2 |
0.5%
|
|
| 20 | 6 |
1.6%
|
|
| 25 | 1 |
0.3%
|
|
| 27 | 1 |
0.3%
|
|
| 30 | 1 |
0.3%
|
|
| 33 | 1 |
0.3%
|
|
| 35 | 2 |
0.5%
|
|
| 37 | 1 |
0.3%
|
|
| 40 | 5 |
1.3%
|
|
| 45 | 2 |
0.5%
|
|
| 50 | 12 |
3.2%
|
|
| 60 | 2 |
0.5%
|
|
| 68 | 1 |
0.3%
|
|
| 70 | 3 |
0.8%
|
|
| 75 | 3 |
0.8%
|
|
| 80 | 2 |
0.5%
|
|
| 90 | 3 |
0.8%
|
|
| 92 | 1 |
0.3%
|
|
| 95 | 1 |
0.3%
|
|
| 100 | 285 |
75.2%
|
|
| Sysmiss | 230 |