| Value | Category | Cases | |
|---|---|---|---|
| 0 | 75 |
53.6%
|
|
| 1 | 15 |
10.7%
|
|
| 2 | 10 |
7.1%
|
|
| 3 | 5 |
3.6%
|
|
| 4 | 1 |
0.7%
|
|
| 6 | 2 |
1.4%
|
|
| 10 | 2 |
1.4%
|
|
| 77 | Don't know | 30 |
21.4%
|
| Sysmiss | 1908 |