| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.3%
|
| 0 | 3 |
0.8%
|
|
| 10 | 2 |
0.5%
|
|
| 15 | 1 |
0.3%
|
|
| 20 | 7 |
1.9%
|
|
| 25 | 10 |
2.7%
|
|
| 29 | 1 |
0.3%
|
|
| 30 | 16 |
4.4%
|
|
| 31 | 2 |
0.5%
|
|
| 33 | 2 |
0.5%
|
|
| 35 | 6 |
1.6%
|
|
| 40 | 22 |
6%
|
|
| 45 | 4 |
1.1%
|
|
| 50 | 31 |
8.5%
|
|
| 55 | 2 |
0.5%
|
|
| 57 | 1 |
0.3%
|
|
| 60 | 23 |
6.3%
|
|
| 61 | 1 |
0.3%
|
|
| 65 | 2 |
0.5%
|
|
| 67 | 3 |
0.8%
|
|
| 69 | 1 |
0.3%
|
|
| 70 | 22 |
6%
|
|
| 71 | 3 |
0.8%
|
|
| 75 | 12 |
3.3%
|
|
| 80 | 34 |
9.3%
|
|
| 85 | 2 |
0.5%
|
|
| 86 | 1 |
0.3%
|
|
| 90 | 35 |
9.6%
|
|
| 91 | 1 |
0.3%
|
|
| 93 | 1 |
0.3%
|
|
| 95 | 6 |
1.6%
|
|
| 98 | 2 |
0.5%
|
|
| 100 | 104 |
28.6%
|
|
| Sysmiss | 218 |