| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than a year | 73 |
23%
|
| 2 | More than or equal to 1 year, but less than 2 years | 78 |
24.6%
|
| 3 | More than or equal to 2 years but less than 5 years | 84 |
26.5%
|
| 4 | More than or equal to 5 years | 82 |
25.9%
|
| Sysmiss | 1683 |