| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 years | 12 |
6%
|
| 2 | 2-2.99 | 17 |
8.5%
|
| 3 | 3-3.99 | 20 |
10%
|
| 4 | 4-4.99 | 70 |
34.8%
|
| 5 | 5-5.99 | 9 |
4.5%
|
| 6 | 6-15 | 17 |
8.5%
|
| 7 | 15.1-30 | 47 |
23.4%
|
| 8 | 30.1 plus | 9 |
4.5%
|