| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 3 months | 10 |
3%
|
| 2 | 3 months | 25 |
7.6%
|
| 3 | 6 months | 48 |
14.5%
|
| 4 | 1 year | 36 |
10.9%
|
| 5 | 2 years | 56 |
17%
|
| 6 | 3 years | 110 |
33.3%
|
| 7 | 4 years and above | 45 |
13.6%
|
| Sysmiss | 7891 |