| Value | Category | Cases | |
|---|---|---|---|
| 1 | Years | 1133 |
90.9%
|
| 2 | Months | 80 |
6.4%
|
| 3 | Weeks | 5 |
0.4%
|
| 4 | Days | 4 |
0.3%
|
| 5 | Less Than 1 Day | 1 |
0.1%
|
| 7 | Don'T Know | 18 |
1.4%
|
| 9 | Refused | 5 |
0.4%
|
| Sysmiss | 7052 |