| Value | Category | Cases | |
|---|---|---|---|
| 0 | 168 |
18.9%
|
|
| 1 | 13 |
1.5%
|
|
| 2 | 3 |
0.3%
|
|
| 3 | 21 |
2.4%
|
|
| 4 | 30 |
3.4%
|
|
| 5 | 21 |
2.4%
|
|
| 6 | 23 |
2.6%
|
|
| 7 | 12 |
1.4%
|
|
| 8 | 11 |
1.2%
|
|
| 9 | 11 |
1.2%
|
|
| 10 | 24 |
2.7%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 9 |
1%
|
|
| 15 | 8 |
0.9%
|
|
| 16 | 1 |
0.1%
|
|
| 19 | 1 |
0.1%
|
|
| 20 | 11 |
1.2%
|
|
| 30 | 1 |
0.1%
|
|
| 35 | 1 |
0.1%
|
|
| 50 | 1 |
0.1%
|
|
| 77 | Don't know | 8 |
0.9%
|
| 99 | Don't know | 509 |
57.3%
|
| Sysmiss | 1596 |