| Value | Category | Cases | |
|---|---|---|---|
| 1 | Years | 1218 |
91.8%
|
| 2 | Months | 62 |
4.7%
|
| 3 | Weeks | 5 |
0.4%
|
| 4 | Days | 1 |
0.1%
|
| 5 | Less than 1 day | 2 |
0.2%
|
| 7 | Don’t Know | 22 |
1.7%
|
| 9 | Refused | 17 |
1.3%
|
| Sysmiss | 15635 |