| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 |
2.9%
|
| 0 | 65 |
13.4%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 5 |
1%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 3 |
0.6%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 12 |
2.5%
|
|
| 22 | 1 |
0.2%
|
|
| 30 | 12 |
2.5%
|
|
| 34 | 1 |
0.2%
|
|
| 40 | 5 |
1%
|
|
| 42 | 1 |
0.2%
|
|
| 50 | 22 |
4.5%
|
|
| 60 | 6 |
1.2%
|
|
| 61 | 1 |
0.2%
|
|
| 64 | 1 |
0.2%
|
|
| 70 | 10 |
2.1%
|
|
| 75 | 3 |
0.6%
|
|
| 80 | 12 |
2.5%
|
|
| 85 | 2 |
0.4%
|
|
| 90 | 7 |
1.4%
|
|
| 92 | 1 |
0.2%
|
|
| 93 | 2 |
0.4%
|
|
| 95 | 1 |
0.2%
|
|
| 97 | 2 |
0.4%
|
|
| 100 | 293 |
60.4%
|
|
| Sysmiss | 754 |