| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than 3 months | 28 |
4.9%
|
| 2 | 3 months or more but less than 6 months | 84 |
14.7%
|
| 3 | 6 months or more but less than 12 months | 124 |
21.8%
|
| 4 | 12 months or more but less than 18 months | 105 |
18.4%
|
| 5 | 18 months or more but less than 24 months | 36 |
6.3%
|
| 6 | 24 months or more | 193 |
33.9%
|