| Value | Category | Cases | |
|---|---|---|---|
| 1 | under 10 | 6 |
0.4%
|
| 2 | 10 - 17 | 19 |
1.4%
|
| 3 | 18 - 25 | 51 |
3.7%
|
| 4 | 25 - 29 | 144 |
10.6%
|
| 5 | 30 - 39 | 412 |
30.3%
|
| 6 | 40 - 49 | 293 |
21.5%
|
| 7 | 50 - 59 | 267 |
19.6%
|
| 8 | 60 - 69 | 123 |
9%
|
| 9 | 70 plus | 46 |
3.4%
|
| Sysmiss | 73 |