| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 41 |
6.5%
|
|
| 1 | 47 |
7.4%
|
|
| 2 | 43 |
6.8%
|
|
| 3 | 22 |
3.5%
|
|
| 4 | 10 |
1.6%
|
|
| 5 | 54 |
8.6%
|
|
| 7 | 1 |
0.2%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 82 |
13%
|
|
| 12 | 3 |
0.5%
|
|
| 15 | 33 |
5.2%
|
|
| 16 | 2 |
0.3%
|
|
| 20 | 56 |
8.9%
|
|
| 22 | 1 |
0.2%
|
|
| 25 | 34 |
5.4%
|
|
| 27 | 1 |
0.2%
|
|
| 28 | 1 |
0.2%
|
|
| 30 | 32 |
5.1%
|
|
| 35 | 8 |
1.3%
|
|
| 40 | 41 |
6.5%
|
|
| 42 | 1 |
0.2%
|
|
| 45 | 4 |
0.6%
|
|
| 50 | 63 |
10%
|
|
| 55 | 3 |
0.5%
|
|
| 56 | 1 |
0.2%
|
|
| 60 | 31 |
4.9%
|
|
| 65 | 1 |
0.2%
|
|
| 70 | 7 |
1.1%
|
|
| 75 | 2 |
0.3%
|
|
| 80 | 3 |
0.5%
|
|
| 90 | 2 |
0.3%
|
|
| Sysmiss | 801 |