| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 628 |
80.4%
|
|
| 5 | 3 |
0.4%
|
|
| 10 | 12 |
1.5%
|
|
| 15 | 1 |
0.1%
|
|
| 20 | 18 |
2.3%
|
|
| 25 | 3 |
0.4%
|
|
| 30 | 13 |
1.7%
|
|
| 40 | 18 |
2.3%
|
|
| 50 | 34 |
4.4%
|
|
| 60 | 4 |
0.5%
|
|
| 70 | 7 |
0.9%
|
|
| 80 | 7 |
0.9%
|
|
| 85 | 2 |
0.3%
|
|
| 90 | 8 |
1%
|
|
| 95 | 2 |
0.3%
|
|
| 100 | 21 |
2.7%
|
|
| Sysmiss | 315 |