| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 46 |
23.5%
|
| 10 | 1 |
0.5%
|
|
| 15 | 1 |
0.5%
|
|
| 20 | 2 |
1%
|
|
| 23 | 1 |
0.5%
|
|
| 24 | 1 |
0.5%
|
|
| 25 | 2 |
1%
|
|
| 30 | 2 |
1%
|
|
| 35 | 2 |
1%
|
|
| 36 | 1 |
0.5%
|
|
| 40 | 6 |
3.1%
|
|
| 45 | 5 |
2.6%
|
|
| 48 | 1 |
0.5%
|
|
| 50 | 9 |
4.6%
|
|
| 52 | 1 |
0.5%
|
|
| 53 | 1 |
0.5%
|
|
| 55 | 7 |
3.6%
|
|
| 57 | 2 |
1%
|
|
| 58 | 2 |
1%
|
|
| 59 | 1 |
0.5%
|
|
| 60 | 21 |
10.7%
|
|
| 61 | 2 |
1%
|
|
| 62 | 1 |
0.5%
|
|
| 64 | 1 |
0.5%
|
|
| 65 | 9 |
4.6%
|
|
| 68 | 1 |
0.5%
|
|
| 70 | 10 |
5.1%
|
|
| 72 | 3 |
1.5%
|
|
| 74 | 1 |
0.5%
|
|
| 75 | 5 |
2.6%
|
|
| 76 | 2 |
1%
|
|
| 77 | 1 |
0.5%
|
|
| 78 | 5 |
2.6%
|
|
| 79 | 1 |
0.5%
|
|
| 80 | 17 |
8.7%
|
|
| 85 | 1 |
0.5%
|
|
| 90 | 3 |
1.5%
|
|
| 92 | 1 |
0.5%
|
|
| 95 | 1 |
0.5%
|
|
| 100 | 16 |
8.2%
|
|
| Sysmiss | 404 |