| Value | Category | Cases | |
|---|---|---|---|
| 1 | Years | 536 |
88.6%
|
| 2 | Months | 49 |
8.1%
|
| 3 | Weeks | 5 |
0.8%
|
| 4 | Days | 6 |
1%
|
| 5 | Less Than 1 Day | 2 |
0.3%
|
| 7 | Don't Know | 6 |
1%
|
| 9 | Refused | 1 |
0.2%
|
| Sysmiss | 8155 |