| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 15 |
4.8%
|
| 0 | 1 |
0.3%
|
|
| 5 | 3 |
1%
|
|
| 10 | 8 |
2.5%
|
|
| 15 | 2 |
0.6%
|
|
| 20 | 6 |
1.9%
|
|
| 25 | 1 |
0.3%
|
|
| 30 | 5 |
1.6%
|
|
| 40 | 12 |
3.8%
|
|
| 41 | 1 |
0.3%
|
|
| 50 | 27 |
8.6%
|
|
| 54 | 1 |
0.3%
|
|
| 55 | 4 |
1.3%
|
|
| 60 | 25 |
7.9%
|
|
| 65 | 2 |
0.6%
|
|
| 70 | 32 |
10.2%
|
|
| 75 | 12 |
3.8%
|
|
| 80 | 41 |
13%
|
|
| 82 | 1 |
0.3%
|
|
| 85 | 13 |
4.1%
|
|
| 90 | 25 |
7.9%
|
|
| 95 | 6 |
1.9%
|
|
| 100 | 72 |
22.9%
|
|
| Sysmiss | 499 |