| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
0.8%
|
| 0 | 6 |
0.6%
|
|
| 2 | 2 |
0.2%
|
|
| 5 | 6 |
0.6%
|
|
| 10 | 6 |
0.6%
|
|
| 15 | 1 |
0.1%
|
|
| 20 | 7 |
0.7%
|
|
| 25 | 1 |
0.1%
|
|
| 30 | 2 |
0.2%
|
|
| 40 | 1 |
0.1%
|
|
| 50 | 8 |
0.8%
|
|
| 60 | 12 |
1.2%
|
|
| 70 | 33 |
3.3%
|
|
| 75 | 1 |
0.1%
|
|
| 80 | 91 |
9.1%
|
|
| 84 | 1 |
0.1%
|
|
| 85 | 25 |
2.5%
|
|
| 89 | 1 |
0.1%
|
|
| 90 | 172 |
17.1%
|
|
| 95 | 115 |
11.5%
|
|
| 96 | 6 |
0.6%
|
|
| 97 | 13 |
1.3%
|
|
| 98 | 54 |
5.4%
|
|
| 99 | 42 |
4.2%
|
|
| 100 | 389 |
38.8%
|
|
| Sysmiss | 1632 |