| Value | Category | Cases | |
|---|---|---|---|
| 0 | 588 |
76.7%
|
|
| 1 | 20 |
2.6%
|
|
| 2 | 34 |
4.4%
|
|
| 3 | 31 |
4%
|
|
| 4 | 17 |
2.2%
|
|
| 5 | 31 |
4%
|
|
| 6 | 3 |
0.4%
|
|
| 7 | 8 |
1%
|
|
| 8 | 5 |
0.7%
|
|
| 10 | 13 |
1.7%
|
|
| 12 | 2 |
0.3%
|
|
| 15 | 1 |
0.1%
|
|
| 20 | 3 |
0.4%
|
|
| 24 | 1 |
0.1%
|
|
| 50 | 1 |
0.1%
|
|
| 77 | Don't know | 9 |
1.2%
|
| Sysmiss | 4826 |