| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 66 |
15.2%
|
| 1 | 1 |
0.2%
|
|
| 2 | 3 |
0.7%
|
|
| 3 | 1 |
0.2%
|
|
| 5 | 3 |
0.7%
|
|
| 10 | 14 |
3.2%
|
|
| 12 | 1 |
0.2%
|
|
| 15 | 20 |
4.6%
|
|
| 20 | 41 |
9.4%
|
|
| 25 | 4 |
0.9%
|
|
| 28 | 1 |
0.2%
|
|
| 30 | 57 |
13.1%
|
|
| 35 | 6 |
1.4%
|
|
| 40 | 43 |
9.9%
|
|
| 44 | 1 |
0.2%
|
|
| 45 | 2 |
0.5%
|
|
| 50 | 69 |
15.9%
|
|
| 60 | 19 |
4.4%
|
|
| 70 | 22 |
5.1%
|
|
| 75 | 1 |
0.2%
|
|
| 80 | 13 |
3%
|
|
| 90 | 11 |
2.5%
|
|
| 95 | 2 |
0.5%
|
|
| 98 | 2 |
0.5%
|
|
| 100 | 32 |
7.4%
|
|
| Sysmiss | 1011 |