| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
1.8%
|
|
| 1 | 1 |
1.8%
|
|
| 2 | 20 |
35.7%
|
|
| 3 | 1 |
1.8%
|
|
| 5 | 1 |
1.8%
|
|
| 7 | 1 |
1.8%
|
|
| 8 | 1 |
1.8%
|
|
| 9 | 2 |
3.6%
|
|
| 10 | 4 |
7.1%
|
|
| 15 | 1 |
1.8%
|
|
| 18 | 1 |
1.8%
|
|
| 20 | 2 |
3.6%
|
|
| 22 | 1 |
1.8%
|
|
| 23 | 1 |
1.8%
|
|
| 24 | 1 |
1.8%
|
|
| 26 | 1 |
1.8%
|
|
| 27 | 2 |
3.6%
|
|
| 30 | 2 |
3.6%
|
|
| 35 | 1 |
1.8%
|
|
| 39 | 1 |
1.8%
|
|
| 77 | Don't know | 10 |
17.9%
|
| Sysmiss | 2637 |