| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
1.2%
|
|
| 1 | 6 |
7.2%
|
|
| 2 | 11 |
13.3%
|
|
| 3 | 9 |
10.8%
|
|
| 4 | 4 |
4.8%
|
|
| 5 | 21 |
25.3%
|
|
| 6 | 2 |
2.4%
|
|
| 7 | 2 |
2.4%
|
|
| 8 | 2 |
2.4%
|
|
| 10 | 8 |
9.6%
|
|
| 15 | 3 |
3.6%
|
|
| 20 | 8 |
9.6%
|
|
| 24 | 1 |
1.2%
|
|
| 30 | 1 |
1.2%
|
|
| 60 | 1 |
1.2%
|
|
| 99 | Don't know | 3 |
3.6%
|
| Sysmiss | 3775 |