| Value | Category | Cases | |
|---|---|---|---|
| 0 | 136 |
66.3%
|
|
| 1 | 10 |
4.9%
|
|
| 2 | 13 |
6.3%
|
|
| 3 | 7 |
3.4%
|
|
| 4 | 7 |
3.4%
|
|
| 5 | 10 |
4.9%
|
|
| 6 | 3 |
1.5%
|
|
| 7 | 1 |
0.5%
|
|
| 10 | 3 |
1.5%
|
|
| 14 | 2 |
1%
|
|
| 15 | 2 |
1%
|
|
| 16 | 1 |
0.5%
|
|
| 20 | 1 |
0.5%
|
|
| 21 | 1 |
0.5%
|
|
| 28 | 1 |
0.5%
|
|
| 40 | 1 |
0.5%
|
|
| 50 | 1 |
0.5%
|
|
| 77 | Don't know | 2 |
1%
|
| 777 | Don't know | 3 |
1.5%
|
| Sysmiss | 3982 |