Value |
Category |
1972 |
|
1991 |
|
1992 |
|
1995 |
|
1997 |
|
1998 |
|
2000 |
|
2001 |
|
2002 |
|
2003 |
|
2004 |
|
2005 |
|
2006 |
|
9998 |
dk |
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.