| Value |
Category |
| 1 |
In a month |
| 2 |
From one to five months |
| 3 |
From six to 11 months |
| 4 |
From one to four years |
| 5 |
5+ years |
| 8 |
DK |
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.