Year | Value | 2022 | 44,273 | 2021 | 45,035 | 2020 | 46,189 | 2019 | 47,321 | 2018 | 48,424 | 2017 | 49,463 | 2016 | 50,448 | 2015 | 51,368 | 2014 | 52,217 | 2013 | 52,995 | 2012 | 53,691 | 2011 | 54,310 | 2010 | 54,849 | 2009 | 55,366 | 2008 | 55,891 | 2007 | 56,383 | 2006 | 56,837 | 2005 | 57,254 | 2004 | 57,626 | 2003 | 57,941 | 2002 | 58,177 | 2001 | 58,324 | 2000 | 58,230 | 1999 | 57,594 | 1998 | 56,603 | 1997 | 55,578 | 1996 | 54,500 | 1995 | 53,401 | 1994 | 52,288 | 1993 | 51,174 | 1992 | 50,078 | 1991 | 48,992 | 1990 | 47,818 | 1989 | 46,288 | 1988 | 44,532 | 1987 | 42,842 | 1986 | 41,221 | 1985 | 39,663 | 1984 | 38,168 | 1983 | 36,735 | 1982 | 35,367 | 1981 | 34,059 | 1980 | 32,886 | 1979 | 32,045 | 1978 | 31,428 | 1977 | 30,816 | 1976 | 30,198 | 1975 | 29,573 | 1974 | 29,012 | 1973 | 28,529 | 1972 | 28,063 | 1971 | 27,593 | 1970 | 27,075 | 1969 | 26,396 | 1968 | 25,608 | 1967 | 24,848 | 1966 | 24,122 | 1965 | 23,391 | 1964 | 22,656 | 1963 | 21,949 | 1962 | 21,272 | 1961 | 20,626 | 1960 | 20,085 |
|