| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 32 |
3.7%
|
| 0 | 3 |
0.3%
|
|
| 15 | 1 |
0.1%
|
|
| 20 | 1 |
0.1%
|
|
| 21 | 1 |
0.1%
|
|
| 30 | 6 |
0.7%
|
|
| 50 | 9 |
1%
|
|
| 56 | 1 |
0.1%
|
|
| 58 | 1 |
0.1%
|
|
| 60 | 9 |
1%
|
|
| 64 | 1 |
0.1%
|
|
| 67 | 1 |
0.1%
|
|
| 70 | 13 |
1.5%
|
|
| 75 | 1 |
0.1%
|
|
| 80 | 27 |
3.1%
|
|
| 85 | 1 |
0.1%
|
|
| 86 | 1 |
0.1%
|
|
| 88 | 1 |
0.1%
|
|
| 90 | 42 |
4.8%
|
|
| 95 | 15 |
1.7%
|
|
| 96 | 1 |
0.1%
|
|
| 98 | 5 |
0.6%
|
|
| 99 | 7 |
0.8%
|
|
| 100 | 694 |
79.4%
|
|
| Sysmiss | 113 |