| Value |
Category |
| 1 |
Used |
| 2 |
Didn't use |
| 3 |
Did not pay |
| 97 |
No answer |
| 9999998 |
REFUSAL |
| 9999999 |
DONTKNOW |
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.