| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 221 |
64.6%
|
|
| 1 | 3 |
0.9%
|
|
| 2 | 2 |
0.6%
|
|
| 3 | 2 |
0.6%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 11 |
3.2%
|
|
| 10 | 12 |
3.5%
|
|
| 11 | 1 |
0.3%
|
|
| 16 | 1 |
0.3%
|
|
| 20 | 13 |
3.8%
|
|
| 25 | 1 |
0.3%
|
|
| 30 | 6 |
1.8%
|
|
| 35 | 1 |
0.3%
|
|
| 40 | 9 |
2.6%
|
|
| 50 | 8 |
2.3%
|
|
| 51 | 1 |
0.3%
|
|
| 55 | 1 |
0.3%
|
|
| 60 | 5 |
1.5%
|
|
| 70 | 8 |
2.3%
|
|
| 78 | 1 |
0.3%
|
|
| 80 | 7 |
2%
|
|
| 85 | 1 |
0.3%
|
|
| 90 | 10 |
2.9%
|
|
| 95 | 5 |
1.5%
|
|
| 97 | 2 |
0.6%
|
|
| 98 | 1 |
0.3%
|
|
| 100 | 8 |
2.3%
|
|
| Sysmiss | 62 |