| Value |
Category |
| 1 |
a. Day-by-day |
| 2 |
b. Week-by-week |
| 3 |
c. Month-by-month |
| 4 |
d. One to three years |
| 5 |
e. Three to five years |
| 6 |
f. More than five years |
| 7 |
g. Do not know |
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.
