| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 |
2.8%
|
| 20 | 1 |
0.2%
|
|
| 30 | 5 |
1%
|
|
| 35 | 2 |
0.4%
|
|
| 40 | 10 |
2%
|
|
| 50 | 11 |
2.2%
|
|
| 60 | 25 |
5.1%
|
|
| 65 | 1 |
0.2%
|
|
| 70 | 87 |
17.6%
|
|
| 75 | 32 |
6.5%
|
|
| 76 | 1 |
0.2%
|
|
| 77 | 1 |
0.2%
|
|
| 80 | 136 |
27.6%
|
|
| 85 | 42 |
8.5%
|
|
| 86 | 1 |
0.2%
|
|
| 87 | 1 |
0.2%
|
|
| 89 | 1 |
0.2%
|
|
| 90 | 61 |
12.4%
|
|
| 95 | 11 |
2.2%
|
|
| 96 | 1 |
0.2%
|
|
| 98 | 4 |
0.8%
|
|
| 100 | 45 |
9.1%
|
|
| Sysmiss | 454 |