| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 month | 102 |
2%
|
| 2 | 1 to 3 months, | 170 |
3.3%
|
| 3 | 4 to 6 months | 262 |
5%
|
| 4 | 7 to 11months, | 253 |
4.9%
|
| 5 | 1 to 2 years | 1153 |
22.2%
|
| 6 | 3 or more years | 3263 |
62.7%
|
| Sysmiss | 41986 |