| Value | Category | Cases | |
|---|---|---|---|
| 0 | 82 |
23%
|
|
| 1 | 27 |
7.6%
|
|
| 2 | 35 |
9.8%
|
|
| 3 | 30 |
8.4%
|
|
| 4 | 38 |
10.7%
|
|
| 5 | 36 |
10.1%
|
|
| 6 | 16 |
4.5%
|
|
| 7 | 8 |
2.2%
|
|
| 8 | 3 |
0.8%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 19 |
5.3%
|
|
| 12 | 2 |
0.6%
|
|
| 15 | 3 |
0.8%
|
|
| 20 | 9 |
2.5%
|
|
| 30 | 1 |
0.3%
|
|
| 77 | Don't know | 46 |
12.9%
|
| Sysmiss | 3946 |