| Value | Category | Cases | |
|---|---|---|---|
| 0 | 181 |
40.5%
|
|
| 1 | 77 |
17.2%
|
|
| 2 | 47 |
10.5%
|
|
| 3 | 44 |
9.8%
|
|
| 4 | 21 |
4.7%
|
|
| 5 | 18 |
4%
|
|
| 6 | 6 |
1.3%
|
|
| 7 | 6 |
1.3%
|
|
| 8 | 7 |
1.6%
|
|
| 9 | 3 |
0.7%
|
|
| 10 | 7 |
1.6%
|
|
| 12 | 3 |
0.7%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 3 |
0.7%
|
|
| 30 | 3 |
0.7%
|
|
| 50 | 1 |
0.2%
|
|
| 77 | Don't know | 19 |
4.3%
|
| Sysmiss | 682 |