| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 month | 7 |
2.4%
|
| 2 | 1 to 5 months | 15 |
5.2%
|
| 3 | 6 to 11 months | 13 |
4.5%
|
| 4 | 1 to 2 years | 46 |
15.9%
|
| 5 | 3 to 4years | 57 |
19.7%
|
| 6 | 5 to 9years | 53 |
18.3%
|
| 7 | 10 years or more | 99 |
34.1%
|
| Sysmiss | 30317 |