| Value |
Category |
| 0 |
One time |
| 1 |
Two to five times |
| 2 |
Six to ten times |
| 3 |
More than ten times |
| 4 |
Not sure |
| 9 |
Refused |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.