| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once a week | 260 |
2.2%
|
| 2 | Once a month | 550 |
4.6%
|
| 3 | Once every three 3 months | 251 |
2.1%
|
| 4 | Once every six months | 340 |
2.8%
|
| 5 | Once a year | 222 |
1.8%
|
| 6 | Less than a year | 107 |
0.9%
|
| 7 | On call/emergency | 579 |
4.8%
|
| 8 | Never | 9777 |
80.9%
|