| Value |
Category |
| 1 |
1951 |
| 2 |
1952 |
| 3 |
1956 |
| 4 |
1957 |
| 5 |
1959 |
| 6 |
1961 |
| 7 |
1962 |
| 8 |
1966 |
| 9 |
1967 |
| 10 |
1969 |
| 11 |
1971 |
| 12 |
1972 |
| 13 |
1973 |
| 14 |
1974 |
| 15 |
1975 |
| 16 |
1977 |
| 17 |
1980 |
| 18 |
1981 |
| 19 |
1982 |
| 20 |
1983 |
| 21 |
1984 |
| 22 |
1985 |
| 23 |
1986 |
| 24 |
1987 |
| 25 |
1988 |
| 26 |
1989 |
| 27 |
1992 |
| 28 |
1993 |
| 29 |
1996 |
| 30 |
1998 |
| 31 |
1999 |
| 32 |
2002 |
| 33 |
2003 |
| 34 |
2005 |
| 35 |
2006 |
| 36 |
2007 |
| 37 |
2008 |
| 38 |
2009 |
| 39 |
2010 |
| 40 |
2011 |
| 41 |
2012 |
| 42 |
2013 |
| 43 |
2014 |
| 44 |
2015 |
| 45 |
2016 |
| 46 |
2017 |
| 47 |
2018 |
| 48 |
2019 |
| 49 |
2020 |
| 50 |
2021 |
| Missing value |
|
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.