| Value |
Category |
| 0 |
Never |
| 1 |
Just once or twice |
| 2 |
Several times |
| 3 |
Many times |
| 4 |
Always |
| 96 |
Don't know |
| 97 |
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.