Year | Value | 2022 | 79,459 | 2021 | 76,457 | 2020 | 73,482 | 2019 | 70,575 | 2018 | 68,522 | 2017 | 68,288 | 2016 | 69,263 | 2015 | 69,796 | 2014 | 69,959 | 2013 | 69,275 | 2012 | 66,991 | 2011 | 64,035 | 2010 | 60,776 | 2009 | 57,724 | 2008 | 55,066 | 2007 | 52,567 | 2006 | 50,323 | 2005 | 48,335 | 2004 | 46,564 | 2003 | 45,004 | 2002 | 43,617 | 2001 | 42,281 | 2000 | 40,911 | 1999 | 39,536 | 1998 | 38,987 | 1997 | 38,571 | 1996 | 37,542 | 1995 | 36,580 | 1994 | 35,373 | 1993 | 34,366 | 1992 | 33,799 | 1991 | 33,034 | 1990 | 32,096 | 1989 | 31,656 | 1988 | 32,823 | 1987 | 33,870 | 1986 | 33,380 | 1985 | 32,641 | 1984 | 31,975 | 1983 | 31,331 | 1982 | 30,624 | 1981 | 29,861 | 1980 | 29,076 | 1979 | 28,276 | 1978 | 27,447 | 1977 | 26,594 | 1976 | 25,779 | 1975 | 25,004 | 1974 | 24,253 | 1973 | 23,515 | 1972 | 22,889 | 1971 | 22,376 | 1970 | 22,029 | 1969 | 21,863 | 1968 | 21,702 | 1967 | 21,555 | 1966 | 21,487 | 1965 | 21,414 | 1964 | 21,219 | 1963 | 21,112 | 1962 | 21,108 | 1961 | 21,053 | 1960 | 20,965 |
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