| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 month | 490 |
2.4%
|
| 2 | 1 to 5 months | 1251 |
6.2%
|
| 3 | 6 to 11 months | 639 |
3.2%
|
| 4 | 1 to 2 years | 2891 |
14.4%
|
| 5 | 3 to 4years | 2903 |
14.5%
|
| 6 | 5 to 9years | 3730 |
18.6%
|
| 7 | 10 years or more | 8132 |
40.6%
|
| Sysmiss | 25006 |