| Value | Category | Cases | |
|---|---|---|---|
| 0 | 589 |
52.4%
|
|
| 1 | 149 |
13.2%
|
|
| 2 | 74 |
6.6%
|
|
| 3 | 50 |
4.4%
|
|
| 4 | 25 |
2.2%
|
|
| 5 | 46 |
4.1%
|
|
| 6 | 8 |
0.7%
|
|
| 7 | 21 |
1.9%
|
|
| 8 | 1 |
0.1%
|
|
| 9 | 1 |
0.1%
|
|
| 10 | 4 |
0.4%
|
|
| 12 | 8 |
0.7%
|
|
| 15 | 7 |
0.6%
|
|
| 20 | 21 |
1.9%
|
|
| 21 | 16 |
1.4%
|
|
| 22 | 3 |
0.3%
|
|
| 30 | 1 |
0.1%
|
|
| 77 | Don't know | 101 |
9%
|
| Sysmiss | 4 |