| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | yes, regularly | 320 | 515164 |
23.4%
|
| 2 | yes, irregularly | 416 | 647132 |
29.3%
|
| 3 | yes, regularly & irregularly | 64 | 90815 |
4.1%
|
| 4 | no | 581 | 952030 |
43.2%
|
| Sysmiss | 47805 | 77856241 |