| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 23 |
31.9%
|
| 2 | 5 |
6.9%
|
|
| 3 | 2 |
2.8%
|
|
| 4 | 4 |
5.6%
|
|
| 6 | 5 |
6.9%
|
|
| 7 | 1 |
1.4%
|
|
| 8 | 5 |
6.9%
|
|
| 10 | 9 |
12.5%
|
|
| 12 | 2 |
2.8%
|
|
| 15 | 1 |
1.4%
|
|
| 16 | 4 |
5.6%
|
|
| 20 | 4 |
5.6%
|
|
| 27 | 1 |
1.4%
|
|
| 30 | 1 |
1.4%
|
|
| 36 | 1 |
1.4%
|
|
| 40 | 1 |
1.4%
|
|
| 45 | 1 |
1.4%
|
|
| 50 | 1 |
1.4%
|
|
| 55 | 1 |
1.4%
|
|
| 77 | refused | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 4898 |