Year | Value | 2022 | 72,689 | 2021 | 71,643 | 2020 | 70,770 | 2019 | 69,761 | 2018 | 68,553 | 2017 | 67,239 | 2016 | 65,768 | 2015 | 64,113 | 2014 | 62,225 | 2013 | 60,068 | 2012 | 57,969 | 2011 | 56,140 | 2010 | 54,418 | 2009 | 52,790 | 2008 | 51,294 | 2007 | 49,627 | 2006 | 47,645 | 2005 | 45,570 | 2004 | 43,503 | 2003 | 41,488 | 2002 | 39,562 | 2001 | 37,789 | 2000 | 36,265 | 1999 | 35,083 | 1998 | 34,288 | 1997 | 33,833 | 1996 | 33,595 | 1995 | 33,439 | 1994 | 33,191 | 1993 | 32,740 | 1992 | 32,185 | 1991 | 31,683 | 1990 | 31,603 | 1989 | 31,835 | 1988 | 31,950 | 1987 | 31,942 | 1986 | 31,804 | 1985 | 31,536 | 1984 | 31,132 | 1983 | 30,596 | 1982 | 29,964 | 1981 | 29,281 | 1980 | 28,605 | 1979 | 28,057 | 1978 | 26,160 | 1977 | 22,959 | 1976 | 20,124 | 1975 | 17,732 | 1974 | 15,740 | 1973 | 15,109 | 1972 | 15,735 | 1971 | 16,842 | 1970 | 17,891 | 1969 | 18,839 | 1968 | 19,678 | 1967 | 20,013 | 1966 | 20,614 | 1965 | 21,646 | 1964 | 22,813 | 1963 | 23,259 | 1962 | 22,856 | 1961 | 22,285 | 1960 | 21,818 |
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