| Value | Category | Cases | |
|---|---|---|---|
| 1 | 12 |
24%
|
|
| 2 | 12 |
24%
|
|
| 3 | 6 |
12%
|
|
| 4 | 3 |
6%
|
|
| 5 | 6 |
12%
|
|
| 6 | 4 |
8%
|
|
| 8 | 1 |
2%
|
|
| 10 | 2 |
4%
|
|
| 12 | 1 |
2%
|
|
| 20 | 3 |
6%
|
|
| Sysmiss | 2011 |