| |
Total: 4502 |
| :::::::::::::::::::::::::::::::::: |
one, two or three times a year - 1871 (44%) |
| ::::::::::::::::::::::::::: |
once a year - 1514 (33%) |
| :::::::::: |
I never get sick - 538 (11%) |
| :::::::: |
three, four or five times a year - 394 (8%) |
| :::: |
more than five times a year - 185 (4%) |
