| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 1 |
0.2%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 5 | 3 |
0.5%
|
|
| 10 | 3 |
0.5%
|
|
| 15 | 3 |
0.5%
|
|
| 20 | 25 |
3.8%
|
|
| 25 | 8 |
1.2%
|
|
| 30 | 57 |
8.6%
|
|
| 34 | 1 |
0.2%
|
|
| 35 | 12 |
1.8%
|
|
| 37 | 1 |
0.2%
|
|
| 40 | 100 |
15.1%
|
|
| 41 | 1 |
0.2%
|
|
| 45 | 7 |
1.1%
|
|
| 50 | 144 |
21.8%
|
|
| 51 | 1 |
0.2%
|
|
| 55 | 5 |
0.8%
|
|
| 60 | 96 |
14.5%
|
|
| 65 | 14 |
2.1%
|
|
| 70 | 61 |
9.2%
|
|
| 75 | 14 |
2.1%
|
|
| 80 | 42 |
6.4%
|
|
| 81 | 1 |
0.2%
|
|
| 85 | 4 |
0.6%
|
|
| 90 | 23 |
3.5%
|
|
| 95 | 8 |
1.2%
|
|
| 100 | 26 |
3.9%
|
|
| Sysmiss | 435 |