| Value |
Category |
| 1951 |
|
| 1956 |
|
| 1958 |
|
| 1960 |
|
| 1963 |
|
| 1964 |
|
| 1970 |
|
| 1971 |
|
| 1973 |
|
| 1980 |
|
| 1982 |
|
| 1983 |
|
| 1985 |
|
| 1990 |
|
| 1991 |
|
| 1993 |
|
| 1994 |
|
| 1995 |
|
| 2001 |
|
| 2002 |
|
| 2003 |
|
| 2004 |
|
| 2005 |
|
| 2006 |
|
| 2011 |
|
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.