| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than One month | 61 |
0.7%
|
| 2 | 1-3 months | 983 |
10.7%
|
| 3 | 3-6 Months | 1777 |
19.4%
|
| 4 | One Year | 2582 |
28.2%
|
| 5 | Two Years | 1065 |
11.6%
|
| 6 | Three years or more | 2679 |
29.3%
|
| Sysmiss | 72631 |