| Value |
Category |
| 1986 |
1986 |
| 1989 |
1989 |
| 1990 |
1990 |
| 1992 |
1992 |
| 1994 |
1994 |
| 1995 |
1995 |
| 1996 |
1996 |
| 1998 |
1998 |
| 2000 |
2000 |
| 2001 |
2001 |
| 2002 |
2002 |
| 2003 |
2003 |
| 2004 |
2004 |
| 2005 |
2005 |
| 2006 |
2006 |
| 2007 |
2007 |
| 2008 |
2008 |
| 2009 |
2009 |
| 2010 |
2010 |
| 2011 |
2011 |
| 2012 |
2012 |
| 2013 |
2013 |
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.
