| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 20 | 2228 |
21.7%
|
| 2 | 20 to 34 | 7247 |
70.7%
|
| 3 | 35 to 49 | 777 |
7.6%
|
| Sysmiss | 11 |