| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 year | 3 |
42.9%
|
| 2 | 1 year to less than 2 years | 2 |
28.6%
|
| 3 | 2 years to less than 5 years | 2 |
28.6%
|
| 4 | 5 years or more | 0 |
0%
|
| Sysmiss | 4537 |