Year | Value | 2022 | 50,783 | 2021 | 47,537 | 2020 | 48,528 | 2019 | 47,096 | 2018 | 44,328 | 2017 | 41,574 | 2016 | 38,925 | 2015 | 36,109 | 2014 | 33,739 | 2013 | 31,632 | 2012 | 29,713 | 2011 | 27,842 | 2010 | 26,355 | 2009 | 25,173 | 2008 | 23,829 | 2007 | 22,098 | 2006 | 20,827 | 2005 | 19,837 | 2004 | 18,861 | 2003 | 18,017 | 2002 | 17,680 | 2001 | 16,949 | 2000 | 16,074 | 1999 | 15,602 | 1998 | 15,450 | 1997 | 15,027 | 1996 | 14,745 | 1995 | 14,268 | 1994 | 13,614 | 1993 | 12,765 | 1992 | 11,979 | 1991 | 11,128 | 1990 | 10,238 | 1989 | 9,141 | 1988 | 8,098 | 1987 | 7,122 | 1986 | 6,297 | 1985 | 5,697 | 1984 | 5,260 | 1983 | 4,838 | 1982 | 4,455 | 1981 | 3,954 | 1980 | 3,440 | 1979 | 3,092 | 1978 | 2,807 | 1977 | 2,573 | 1976 | 2,403 | 1975 | 2,271 | 1974 | 2,155 | 1973 | 2,048 | 1972 | 1,952 | 1971 | 1,890 | 1970 | 1,842 | 1969 | 1,656 | 1968 | 1,363 | 1967 | 1,130 | 1966 | 941 | 1965 | 797 | 1964 | 685 | 1963 | 594 | 1962 | 524 | 1961 | 476 | 1960 | 453 |
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