| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than 7 months | 166 |
6%
|
| 2 | 7-12 months | 131 |
4.8%
|
| 3 | 1-2 yrs | 332 |
12.1%
|
| 4 | 3-5 yrs | 476 |
17.3%
|
| 5 | 6-10 yrs | 808 |
29.4%
|
| 6 | more than 10 years | 838 |
30.5%
|
| Sysmiss | 5222 |