| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 1 month | 19 |
0.2%
|
| 2 | 1-3 months | 25 |
0.3%
|
| 3 | 3-6 months | 17 |
0.2%
|
| 4 | 6 months-1 year | 50 |
0.6%
|
| 5 | 1-2 years | 235 |
2.8%
|
| 6 | Greater than 2 years | 1082 |
12.8%
|
| 7 | Not applicable | 7041 |
83.1%
|
| Sysmiss | 14553 |