| Value | Category | Cases | |
|---|---|---|---|
| 0 | 601 |
71.1%
|
|
| 1 | 30 |
3.6%
|
|
| 2 | 31 |
3.7%
|
|
| 3 | 21 |
2.5%
|
|
| 4 | 28 |
3.3%
|
|
| 5 | 11 |
1.3%
|
|
| 6 | 14 |
1.7%
|
|
| 7 | 3 |
0.4%
|
|
| 8 | 9 |
1.1%
|
|
| 10 | 11 |
1.3%
|
|
| 11 | 2 |
0.2%
|
|
| 12 | 5 |
0.6%
|
|
| 13 | 1 |
0.1%
|
|
| 14 | 1 |
0.1%
|
|
| 15 | 2 |
0.2%
|
|
| 18 | 1 |
0.1%
|
|
| 19 | 1 |
0.1%
|
|
| 22 | 1 |
0.1%
|
|
| 30 | 1 |
0.1%
|
|
| 40 | 1 |
0.1%
|
|
| 77 | Don't know | 70 |
8.3%
|
| Sysmiss | 3457 |