Value |
Category |
1 |
JANUARY-MARCH 2010 |
2 |
APRIL-JUNE 2010 |
3 |
JULY-SEPTEMBER 2010 |
4 |
OCTOBER-DECEMBER 2010 |
5 |
JANUARY-MARCH 2011 |
Sysmiss |
|
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.