| Value |
Category |
| 2009 |
|
| 2010 |
|
| 2011 |
|
| 2012 |
|
| 4444 |
Tiene la tarjeta y no tiene fecha |
| 9998 |
NS/NR |
| 9999 |
No viene informacion en cuestionario |
| 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.