| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 82 |
0.1%
|
| 2 | Weeks | 36 |
0%
|
| 3 | Months | 320 |
0.4%
|
| 4 | Years | 409 |
0.5%
|
| 93 | Refused | 1 |
0%
|
| 97 | Not applicable | 80796 |
99%
|
| 98 | Dont know | 9 |
0%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 113442 |