| Утга | Ангилал | Нөхцөл | |
|---|---|---|---|
| 1 | None | 969 |
10.3%
|
| 2 | Once a quarter | 1905 |
20.3%
|
| 3 | Once a year | 2293 |
24.4%
|
| 4 | Once a 2 year period | 91 |
1%
|
| 5 | When sick | 4145 |
44.1%
|
| Sysmiss | 122 |