| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.3%
|
| 0 | 14 |
2.1%
|
|
| 1 | 1 |
0.1%
|
|
| 10 | 9 |
1.3%
|
|
| 15 | 13 |
1.9%
|
|
| 20 | 41 |
6%
|
|
| 25 | 50 |
7.4%
|
|
| 30 | 78 |
11.5%
|
|
| 35 | 22 |
3.2%
|
|
| 40 | 50 |
7.4%
|
|
| 45 | 3 |
0.4%
|
|
| 50 | 109 |
16%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 60 |
8.8%
|
|
| 65 | 1 |
0.1%
|
|
| 70 | 26 |
3.8%
|
|
| 75 | 4 |
0.6%
|
|
| 78 | 1 |
0.1%
|
|
| 80 | 50 |
7.4%
|
|
| 85 | 5 |
0.7%
|
|
| 90 | 6 |
0.9%
|
|
| 95 | 1 |
0.1%
|
|
| 100 | 133 |
19.6%
|
|
| Sysmiss | 8696 |