| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
43.8%
|
|
| 1 | 12 |
25%
|
|
| 2 | 6 |
12.5%
|
|
| 3 | 1 |
2.1%
|
|
| 4 | 1 |
2.1%
|
|
| 10 | 1 |
2.1%
|
|
| 50 | 3 |
6.3%
|
|
| 77 | Don't know | 3 |
6.3%
|
| Sysmiss | 2485 |