| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 to 5 years | 45 |
20.4%
|
| 2 | 5 to 10 years | 10 |
4.5%
|
| 3 | Less than 1 year | 3 |
1.4%
|
| 4 | More than 10 years | 163 |
73.8%
|
| Sysmiss | 5118 |