| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
13.3%
|
|
| 2 | 1 |
6.7%
|
|
| 3 | 2 |
13.3%
|
|
| 4 | 2 |
13.3%
|
|
| 6 | 1 |
6.7%
|
|
| 7 | 1 |
6.7%
|
|
| 12 | 1 |
6.7%
|
|
| 20 | 3 |
20%
|
|
| 21 | 1 |
6.7%
|
|
| 33 | 1 |
6.7%
|
|
| 60 | 60 years and older | 0 |
0%
|
| Sysmiss | 717 |