| Value | Category | Cases | |
|---|---|---|---|
| 0 | 76 |
54.3%
|
|
| 1 | 13 |
9.3%
|
|
| 2 | 7 |
5%
|
|
| 3 | 7 |
5%
|
|
| 4 | 1 |
0.7%
|
|
| 5 | 1 |
0.7%
|
|
| 6 | 2 |
1.4%
|
|
| 10 | 1 |
0.7%
|
|
| 20 | 1 |
0.7%
|
|
| 77 | Don't know | 31 |
22.1%
|
| Sysmiss | 1908 |