| Value |
Category |
| 1 |
less than a quarter |
| 2 |
between a quarter and a half |
| 3 |
more than half |
| 4 |
all |
| 5 |
none |
| 99 |
missing value |
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.