| Value |
Category |
| -99 |
Don't know |
| 1 |
Yes |
| 2 |
No |
| 1950 |
|
| 1989 |
|
| 1990 |
|
| 1991 |
|
| 1996 |
|
| 1998 |
|
| 2000 |
|
| 2001 |
|
| 2002 |
|
| 2004 |
|
| 2007 |
|
| 2008 |
|
| 2009 |
|
| 2010 |
|
| 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.