| Value | Category | Cases | |
|---|---|---|---|
| 1 | less tha | 1523 |
21.1%
|
| 2 | 11-20 ye | 1915 |
26.6%
|
| 3 | 21-30 ye | 1782 |
24.7%
|
| 4 | 31-40 ye | 1361 |
18.9%
|
| 5 | 41-50 ye | 464 |
6.4%
|
| 6 | more tha | 148 |
2.1%
|
| 7 | before 1 | 18 |
0.2%
|
| Sysmiss | 13 |