Value |
Category |
2001 |
|
2002 |
|
2003 |
|
2004 |
|
2005 |
|
4444 |
sin fecha |
6666 |
sin registro |
9999 |
ignorado |
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.