| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | month | 315 | 537035 |
24.7%
|
| 2 | 3 months | 98 | 169228 |
7.8%
|
| 3 | 6 months | 98 | 129091 |
5.9%
|
| 4 | year | 866 | 1342353 |
61.6%
|
| Sysmiss | 47809 | 77883675 |