| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
2%
|
| 5 | 12 |
1.5%
|
|
| 8 | 1 |
0.1%
|
|
| 10 | 49 |
6.1%
|
|
| 12 | 4 |
0.5%
|
|
| 14 | 1 |
0.1%
|
|
| 15 | 47 |
5.9%
|
|
| 16 | 1 |
0.1%
|
|
| 17 | 1 |
0.1%
|
|
| 18 | 1 |
0.1%
|
|
| 20 | 100 |
12.5%
|
|
| 22 | 1 |
0.1%
|
|
| 25 | 46 |
5.7%
|
|
| 30 | 197 |
24.5%
|
|
| 34 | 1 |
0.1%
|
|
| 35 | 33 |
4.1%
|
|
| 40 | 115 |
14.3%
|
|
| 45 | 9 |
1.1%
|
|
| 50 | 64 |
8%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 23 |
2.9%
|
|
| 65 | 2 |
0.2%
|
|
| 70 | 16 |
2%
|
|
| 75 | 2 |
0.2%
|
|
| 80 | 20 |
2.5%
|
|
| 85 | 3 |
0.4%
|
|
| 90 | 11 |
1.4%
|
|
| 99 | 1 |
0.1%
|
|
| 100 | 25 |
3.1%
|
|
| Sysmiss | 520 |