Year | Value | 2022 | 69,202 | 2021 | 67,217 | 2020 | 63,816 | 2019 | 60,113 | 2018 | 56,653 | 2017 | 53,093 | 2016 | 50,058 | 2015 | 47,415 | 2014 | 44,510 | 2013 | 41,878 | 2012 | 40,164 | 2011 | 38,814 | 2010 | 37,778 | 2009 | 37,585 | 2008 | 37,566 | 2007 | 36,971 | 2006 | 36,001 | 2005 | 34,733 | 2004 | 33,259 | 2003 | 31,661 | 2002 | 30,090 | 2001 | 28,768 | 2000 | 27,849 | 1999 | 27,379 | 1998 | 27,452 | 1997 | 27,951 | 1996 | 28,491 | 1995 | 28,817 | 1994 | 28,916 | 1993 | 28,715 | 1992 | 28,300 | 1991 | 28,017 | 1990 | 28,084 | 1989 | 28,493 | 1988 | 29,215 | 1987 | 30,198 | 1986 | 31,181 | 1985 | 32,009 | 1984 | 32,713 | 1983 | 33,320 | 1982 | 33,809 | 1981 | 34,227 | 1980 | 34,638 | 1979 | 35,048 | 1978 | 35,435 | 1977 | 35,729 | 1976 | 35,748 | 1975 | 35,332 | 1974 | 34,462 | 1973 | 33,143 | 1972 | 31,562 | 1971 | 30,160 | 1970 | 29,265 | 1969 | 28,875 | 1968 | 28,977 | 1967 | 29,364 | 1966 | 29,481 | 1965 | 28,997 | 1964 | 27,961 | 1963 | 26,390 | 1962 | 24,460 | 1961 | 22,690 | 1960 | 21,409 |
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