| Value |
Category |
| -1 |
Missing |
| 0 |
Never |
| 1 |
Only once |
| 2 |
A few times |
| 3 |
Often |
| 9 |
Don't know |
| 97 |
Not Applicable or Not Asked |
| 98 |
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.