| Value | Category | Cases | |
|---|---|---|---|
| 0 | 28 |
13.9%
|
|
| 1 | 37 |
18.3%
|
|
| 2 | 31 |
15.3%
|
|
| 3 | 6 |
3%
|
|
| 4 | 3 |
1.5%
|
|
| 5 | 7 |
3.5%
|
|
| 6 | 3 |
1.5%
|
|
| 7 | 6 |
3%
|
|
| 10 | 1 |
0.5%
|
|
| 12 | 3 |
1.5%
|
|
| 20 | 1 |
0.5%
|
|
| 35 | 1 |
0.5%
|
|
| 49 | 1 |
0.5%
|
|
| 77 | Don't know | 74 |
36.6%
|
| Sysmiss | 1846 |