| Value | Category | Cases | |
|---|---|---|---|
| 0 | 560 |
69.9%
|
|
| 1 | 62 |
7.7%
|
|
| 2 | 37 |
4.6%
|
|
| 3 | 14 |
1.7%
|
|
| 4 | 13 |
1.6%
|
|
| 5 | 16 |
2%
|
|
| 6 | 16 |
2%
|
|
| 7 | 3 |
0.4%
|
|
| 8 | 8 |
1%
|
|
| 9 | 1 |
0.1%
|
|
| 10 | 2 |
0.2%
|
|
| 12 | 7 |
0.9%
|
|
| 15 | 2 |
0.2%
|
|
| 20 | 1 |
0.1%
|
|
| 24 | 1 |
0.1%
|
|
| 50 | 1 |
0.1%
|
|
| 77 | Don't know | 57 |
7.1%
|
| Sysmiss | 4387 |