| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
0.8%
|
| 1 | 1 |
0.2%
|
|
| 5 | 1 |
0.2%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 2 |
0.3%
|
|
| 20 | 8 |
1.3%
|
|
| 25 | 1 |
0.2%
|
|
| 30 | 8 |
1.3%
|
|
| 35 | 2 |
0.3%
|
|
| 40 | 15 |
2.5%
|
|
| 50 | 49 |
8.2%
|
|
| 55 | 2 |
0.3%
|
|
| 60 | 42 |
7%
|
|
| 65 | 3 |
0.5%
|
|
| 70 | 54 |
9%
|
|
| 75 | 4 |
0.7%
|
|
| 80 | 75 |
12.5%
|
|
| 85 | 12 |
2%
|
|
| 90 | 39 |
6.5%
|
|
| 95 | 8 |
1.3%
|
|
| 100 | 268 |
44.7%
|
|
| Sysmiss | 160 |