| Value | Category | Cases | |
|---|---|---|---|
| 0 | 604 |
71.5%
|
|
| 1 | 33 |
3.9%
|
|
| 2 | 39 |
4.6%
|
|
| 3 | 22 |
2.6%
|
|
| 4 | 18 |
2.1%
|
|
| 5 | 15 |
1.8%
|
|
| 6 | 7 |
0.8%
|
|
| 7 | 4 |
0.5%
|
|
| 8 | 7 |
0.8%
|
|
| 9 | 2 |
0.2%
|
|
| 10 | 7 |
0.8%
|
|
| 12 | 3 |
0.4%
|
|
| 13 | 1 |
0.1%
|
|
| 14 | 2 |
0.2%
|
|
| 15 | 3 |
0.4%
|
|
| 16 | 1 |
0.1%
|
|
| 20 | 1 |
0.1%
|
|
| 22 | 1 |
0.1%
|
|
| 40 | 1 |
0.1%
|
|
| 77 | Don't know | 74 |
8.8%
|
| Sysmiss | 3457 |