| Value | Category | Cases | |
|---|---|---|---|
| 0 | 152 |
29.9%
|
|
| 1 | 33 |
6.5%
|
|
| 2 | 57 |
11.2%
|
|
| 3 | 70 |
13.8%
|
|
| 4 | 40 |
7.9%
|
|
| 5 | 46 |
9.1%
|
|
| 6 | 26 |
5.1%
|
|
| 7 | 11 |
2.2%
|
|
| 8 | 11 |
2.2%
|
|
| 9 | 5 |
1%
|
|
| 10 | 28 |
5.5%
|
|
| 11 | 3 |
0.6%
|
|
| 12 | 2 |
0.4%
|
|
| 15 | 9 |
1.8%
|
|
| 18 | 1 |
0.2%
|
|
| 20 | 4 |
0.8%
|
|
| 77 | Don't know | 10 |
2%
|
| Sysmiss | 4141 |