| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 19 |
8.1%
|
| 0 | 2 |
0.9%
|
|
| 6 | 1 |
0.4%
|
|
| 10 | 1 |
0.4%
|
|
| 15 | 2 |
0.9%
|
|
| 20 | 1 |
0.4%
|
|
| 25 | 1 |
0.4%
|
|
| 30 | 2 |
0.9%
|
|
| 35 | 1 |
0.4%
|
|
| 40 | 1 |
0.4%
|
|
| 48 | 1 |
0.4%
|
|
| 50 | 12 |
5.1%
|
|
| 55 | 2 |
0.9%
|
|
| 60 | 8 |
3.4%
|
|
| 62 | 1 |
0.4%
|
|
| 70 | 5 |
2.1%
|
|
| 71 | 1 |
0.4%
|
|
| 75 | 3 |
1.3%
|
|
| 80 | 13 |
5.5%
|
|
| 90 | 13 |
5.5%
|
|
| 92 | 3 |
1.3%
|
|
| 95 | 6 |
2.6%
|
|
| 97 | 1 |
0.4%
|
|
| 98 | 3 |
1.3%
|
|
| 100 | 132 |
56.2%
|
|
| Sysmiss | 85 |