| Value | Category | Cases | |
|---|---|---|---|
| 0 | 608 |
52.8%
|
|
| 1 | 65 |
5.6%
|
|
| 2 | 105 |
9.1%
|
|
| 3 | 66 |
5.7%
|
|
| 4 | 31 |
2.7%
|
|
| 5 | 18 |
1.6%
|
|
| 6 | 15 |
1.3%
|
|
| 7 | 6 |
0.5%
|
|
| 8 | 9 |
0.8%
|
|
| 9 | 5 |
0.4%
|
|
| 10 | 11 |
1%
|
|
| 12 | 2 |
0.2%
|
|
| 15 | 13 |
1.1%
|
|
| 16 | 2 |
0.2%
|
|
| 19 | 3 |
0.3%
|
|
| 20 | 10 |
0.9%
|
|
| 25 | 3 |
0.3%
|
|
| 30 | 18 |
1.6%
|
|
| 77 | Don't know | 162 |
14.1%
|
| Sysmiss | 4441 |