| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 8 |
2.2%
|
| 5 | 4 |
1.1%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 1 |
0.3%
|
|
| 10 | 25 |
7%
|
|
| 11 | 1 |
0.3%
|
|
| 12 | 1 |
0.3%
|
|
| 15 | 21 |
5.8%
|
|
| 18 | 2 |
0.6%
|
|
| 20 | 56 |
15.6%
|
|
| 22 | 1 |
0.3%
|
|
| 23 | 2 |
0.6%
|
|
| 24 | 1 |
0.3%
|
|
| 25 | 18 |
5%
|
|
| 27 | 2 |
0.6%
|
|
| 28 | 1 |
0.3%
|
|
| 30 | 56 |
15.6%
|
|
| 35 | 5 |
1.4%
|
|
| 40 | 28 |
7.8%
|
|
| 43 | 1 |
0.3%
|
|
| 45 | 1 |
0.3%
|
|
| 47 | 1 |
0.3%
|
|
| 50 | 61 |
17%
|
|
| 55 | 3 |
0.8%
|
|
| 57 | 1 |
0.3%
|
|
| 60 | 21 |
5.8%
|
|
| 65 | 2 |
0.6%
|
|
| 70 | 8 |
2.2%
|
|
| 75 | 2 |
0.6%
|
|
| 80 | 14 |
3.9%
|
|
| 90 | 3 |
0.8%
|
|
| 95 | 1 |
0.3%
|
|
| 100 | 6 |
1.7%
|
|
| Sysmiss | 413 |