| Value | Category | Cases | |
|---|---|---|---|
| 0 | 110 |
56.7%
|
|
| 1 | 6 |
3.1%
|
|
| 2 | 6 |
3.1%
|
|
| 3 | 8 |
4.1%
|
|
| 5 | 1 |
0.5%
|
|
| 6 | 2 |
1%
|
|
| 7 | 1 |
0.5%
|
|
| 8 | 2 |
1%
|
|
| 10 | 7 |
3.6%
|
|
| 15 | 2 |
1%
|
|
| 18 | 2 |
1%
|
|
| 20 | 3 |
1.5%
|
|
| 23 | 1 |
0.5%
|
|
| 31 | 1 |
0.5%
|
|
| 50 | 1 |
0.5%
|
|
| 77 | Don't know | 41 |
21.1%
|
| Sysmiss | 1962 |