| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 month | 420 |
2.1%
|
| 2 | 1 to 5 months | 1543 |
7.6%
|
| 3 | 6 to 11 months | 689 |
3.4%
|
| 4 | 1 to 2 years | 3178 |
15.6%
|
| 5 | 3 to 4years | 2861 |
14%
|
| 6 | 5 to 9years | 3773 |
18.5%
|
| 7 | 10 years or more | 7904 |
38.8%
|
| Sysmiss | 25077 |