| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 |
4.5%
|
| 5 | 1 |
0.3%
|
|
| 10 | 1 |
0.3%
|
|
| 20 | 1 |
0.3%
|
|
| 30 | 9 |
2.9%
|
|
| 40 | 8 |
2.6%
|
|
| 47 | 1 |
0.3%
|
|
| 50 | 16 |
5.1%
|
|
| 55 | 5 |
1.6%
|
|
| 60 | 21 |
6.7%
|
|
| 65 | 4 |
1.3%
|
|
| 67 | 1 |
0.3%
|
|
| 70 | 43 |
13.7%
|
|
| 73 | 1 |
0.3%
|
|
| 75 | 13 |
4.2%
|
|
| 80 | 68 |
21.7%
|
|
| 83 | 1 |
0.3%
|
|
| 85 | 16 |
5.1%
|
|
| 87 | 1 |
0.3%
|
|
| 88 | 1 |
0.3%
|
|
| 90 | 36 |
11.5%
|
|
| 92 | 1 |
0.3%
|
|
| 93 | 1 |
0.3%
|
|
| 95 | 11 |
3.5%
|
|
| 97 | 1 |
0.3%
|
|
| 99 | 2 |
0.6%
|
|
| 100 | 35 |
11.2%
|
|
| Sysmiss | 299 |