| Value | Category | Cases | |
|---|---|---|---|
| 1 | Years | 1228 |
90.5%
|
| 2 | Months | 113 |
8.3%
|
| 3 | Weeks | 9 |
0.7%
|
| 4 | Days | 6 |
0.4%
|
| 5 | Less Than 1 Day | 0 |
0%
|
| 7 | Don't Know | 1 |
0.1%
|
| Sysmiss | 4224 |