| Value | Category | Cases | |
|---|---|---|---|
| 0 | 305 |
54.7%
|
|
| 1 | 44 |
7.9%
|
|
| 2 | 50 |
9%
|
|
| 3 | 41 |
7.3%
|
|
| 4 | 19 |
3.4%
|
|
| 5 | 17 |
3%
|
|
| 6 | 17 |
3%
|
|
| 7 | 5 |
0.9%
|
|
| 8 | 2 |
0.4%
|
|
| 10 | 5 |
0.9%
|
|
| 12 | 2 |
0.4%
|
|
| 15 | 3 |
0.5%
|
|
| 18 | 1 |
0.2%
|
|
| 20 | 1 |
0.2%
|
|
| 50 | 1 |
0.2%
|
|
| 77 | Don't know | 45 |
8.1%
|
| Sysmiss | 3629 |