Value |
Category |
1 |
2004 only |
2 |
2009 only |
3 |
2016 only |
4 |
2004 and 2009 only |
5 |
2009 and 2016 only |
6 |
2004, 2009 and 2016 |
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.