| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 2 | 1 |
0.4%
|
|
| 4 | 2 |
0.7%
|
|
| 5 | 8 |
3%
|
|
| 8 | 3 |
1.1%
|
|
| 10 | 26 |
9.7%
|
|
| 12 | 1 |
0.4%
|
|
| 15 | 22 |
8.2%
|
|
| 18 | 2 |
0.7%
|
|
| 20 | 47 |
17.5%
|
|
| 25 | 6 |
2.2%
|
|
| 26 | 1 |
0.4%
|
|
| 30 | 35 |
13%
|
|
| 32 | 2 |
0.7%
|
|
| 34 | 1 |
0.4%
|
|
| 35 | 7 |
2.6%
|
|
| 40 | 26 |
9.7%
|
|
| 41 | 1 |
0.4%
|
|
| 45 | 5 |
1.9%
|
|
| 48 | 1 |
0.4%
|
|
| 50 | 22 |
8.2%
|
|
| 57 | 1 |
0.4%
|
|
| 60 | 20 |
7.4%
|
|
| 70 | 12 |
4.5%
|
|
| 75 | 2 |
0.7%
|
|
| 80 | 10 |
3.7%
|
|
| 90 | 4 |
1.5%
|
|
| 100 | 1 |
0.4%
|
|
| Sysmiss | 491 |