| Value | Category | Cases | |
|---|---|---|---|
| 0 | 504 |
59.6%
|
|
| 1 | 50 |
5.9%
|
|
| 2 | 51 |
6%
|
|
| 3 | 34 |
4%
|
|
| 4 | 34 |
4%
|
|
| 5 | 14 |
1.7%
|
|
| 6 | 18 |
2.1%
|
|
| 7 | 4 |
0.5%
|
|
| 8 | 18 |
2.1%
|
|
| 9 | 3 |
0.4%
|
|
| 10 | 17 |
2%
|
|
| 12 | 12 |
1.4%
|
|
| 14 | 1 |
0.1%
|
|
| 15 | 3 |
0.4%
|
|
| 16 | 1 |
0.1%
|
|
| 20 | 2 |
0.2%
|
|
| 24 | 2 |
0.2%
|
|
| 25 | 2 |
0.2%
|
|
| 30 | 1 |
0.1%
|
|
| 40 | 2 |
0.2%
|
|
| 77 | Don't know | 72 |
8.5%
|
| Sysmiss | 3457 |