| Value | Category | Cases | |
|---|---|---|---|
| 1 | LESS THAN 6 MONTHS | 2224 |
59.2%
|
| 2 | BETWEEN 6 AND 12 MONTHS AGO | 1219 |
32.4%
|
| 3 | 12 MONTHS OR MORE AGO | 308 |
8.2%
|
| 99 | 6 |
0.2%
|
|
| Sysmiss | 41304 |