| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.3%
|
| 2 | 1 |
0.3%
|
|
| 3 | 1 |
0.3%
|
|
| 10 | 3 |
0.8%
|
|
| 20 | 3 |
0.8%
|
|
| 30 | 1 |
0.3%
|
|
| 40 | 3 |
0.8%
|
|
| 45 | 2 |
0.6%
|
|
| 47 | 1 |
0.3%
|
|
| 50 | 12 |
3.3%
|
|
| 55 | 1 |
0.3%
|
|
| 60 | 19 |
5.3%
|
|
| 65 | 2 |
0.6%
|
|
| 70 | 24 |
6.6%
|
|
| 75 | 12 |
3.3%
|
|
| 80 | 39 |
10.8%
|
|
| 85 | 11 |
3%
|
|
| 88 | 2 |
0.6%
|
|
| 90 | 23 |
6.4%
|
|
| 92 | 1 |
0.3%
|
|
| 95 | 20 |
5.5%
|
|
| 96 | 1 |
0.3%
|
|
| 98 | 4 |
1.1%
|
|
| 100 | 174 |
48.2%
|
|
| Sysmiss | 150 |