| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
0.6%
|
| 0 | 428 |
23.9%
|
|
| 10 | 1 |
0.1%
|
|
| 12 | 1 |
0.1%
|
|
| 20 | 6 |
0.3%
|
|
| 25 | 1 |
0.1%
|
|
| 30 | 4 |
0.2%
|
|
| 35 | 1 |
0.1%
|
|
| 40 | 3 |
0.2%
|
|
| 50 | 20 |
1.1%
|
|
| 53 | 1 |
0.1%
|
|
| 59 | 1 |
0.1%
|
|
| 60 | 6 |
0.3%
|
|
| 67 | 1 |
0.1%
|
|
| 70 | 9 |
0.5%
|
|
| 75 | 1 |
0.1%
|
|
| 80 | 13 |
0.7%
|
|
| 85 | 5 |
0.3%
|
|
| 90 | 8 |
0.4%
|
|
| 92 | 1 |
0.1%
|
|
| 95 | 1 |
0.1%
|
|
| 97 | 1 |
0.1%
|
|
| 99 | 3 |
0.2%
|
|
| 100 | 1263 |
70.6%
|
|
| Sysmiss | 206 |