| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 1 |
0.3%
|
|
| 10 | 3 |
0.8%
|
|
| 15 | 1 |
0.3%
|
|
| 20 | 1 |
0.3%
|
|
| 25 | 1 |
0.3%
|
|
| 30 | 7 |
1.9%
|
|
| 40 | 9 |
2.4%
|
|
| 50 | 26 |
7%
|
|
| 55 | 1 |
0.3%
|
|
| 60 | 27 |
7.2%
|
|
| 65 | 4 |
1.1%
|
|
| 70 | 71 |
19%
|
|
| 75 | 12 |
3.2%
|
|
| 80 | 61 |
16.3%
|
|
| 82 | 1 |
0.3%
|
|
| 85 | 14 |
3.7%
|
|
| 90 | 76 |
20.3%
|
|
| 95 | 25 |
6.7%
|
|
| 98 | 1 |
0.3%
|
|
| 99 | 3 |
0.8%
|
|
| 100 | 29 |
7.8%
|
|
| Sysmiss | 431 |