| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 3 |
1.3%
|
| 0 | 154 |
65.8%
|
|
| 1 | 4 |
1.7%
|
|
| 5 | 2 |
0.9%
|
|
| 10 | 5 |
2.1%
|
|
| 20 | 7 |
3%
|
|
| 25 | 1 |
0.4%
|
|
| 30 | 8 |
3.4%
|
|
| 35 | 1 |
0.4%
|
|
| 40 | 3 |
1.3%
|
|
| 50 | 11 |
4.7%
|
|
| 60 | 5 |
2.1%
|
|
| 70 | 3 |
1.3%
|
|
| 80 | 5 |
2.1%
|
|
| 90 | 7 |
3%
|
|
| 91 | 1 |
0.4%
|
|
| 95 | 1 |
0.4%
|
|
| 98 | 2 |
0.9%
|
|
| 99 | 2 |
0.9%
|
|
| 100 | 9 |
3.8%
|
|
| Sysmiss | 128 |