| Value |
Category |
| 1980 |
1980 |
| 1982 |
1982 |
| 1984 |
1984 |
| 1985 |
1985 |
| 1986 |
1986 |
| 1992 |
1992 |
| 1994 |
1994 |
| 1998 |
1998 |
| 2009 |
2009 |
| 2010 |
2010 |
| 2011 |
2011 |
| 2012 |
2012 |
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.
