| Value |
Category |
| 1 |
NO LESSONS |
| 2 |
MIXED GROUPS |
| 3 |
SEPARATE GROUPS |
| 4 |
BOYS ONLY |
| 5 |
GIRLS ONLY |
| 9 |
omitted |
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.