| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 1 |
0.5%
|
| 3 | 1 |
0.5%
|
|
| 4 | 1 |
0.5%
|
|
| 5 | 6 |
3.1%
|
|
| 6 | 1 |
0.5%
|
|
| 7 | 2 |
1%
|
|
| 10 | 19 |
9.7%
|
|
| 11 | 1 |
0.5%
|
|
| 15 | 11 |
5.6%
|
|
| 16 | 1 |
0.5%
|
|
| 20 | 43 |
21.9%
|
|
| 24 | 1 |
0.5%
|
|
| 25 | 5 |
2.6%
|
|
| 30 | 31 |
15.8%
|
|
| 35 | 2 |
1%
|
|
| 40 | 17 |
8.7%
|
|
| 45 | 1 |
0.5%
|
|
| 50 | 23 |
11.7%
|
|
| 55 | 2 |
1%
|
|
| 60 | 14 |
7.1%
|
|
| 65 | 1 |
0.5%
|
|
| 70 | 4 |
2%
|
|
| 72 | 1 |
0.5%
|
|
| 80 | 5 |
2.6%
|
|
| 94 | 1 |
0.5%
|
|
| 100 | 1 |
0.5%
|
|
| Sysmiss | 208 |