| Value | Category | Cases | |
|---|---|---|---|
| 0 | 267 |
47.8%
|
|
| 1 | 146 |
26.1%
|
|
| 2 | 65 |
11.6%
|
|
| 3 | 27 |
4.8%
|
|
| 4 | 16 |
2.9%
|
|
| 5 | 9 |
1.6%
|
|
| 6 | 16 |
2.9%
|
|
| 7 | 8 |
1.4%
|
|
| 8 | 3 |
0.5%
|
|
| 77 | Don't know | 2 |
0.4%
|
| Sysmiss | 2005 |