| Year | Value | | 2022 | 1,685,387 | | 2021 | 1,661,462 | | 2020 | 1,636,094 | | 2019 | 1,606,094 | | 2018 | 1,572,333 | | 2017 | 1,538,598 | | 2016 | 1,505,633 | | 2015 | 1,473,641 | | 2014 | 1,443,209 | | 2013 | 1,415,077 | | 2012 | 1,389,613 | | 2011 | 1,366,548 | | 2010 | 1,346,373 | | 2009 | 1,328,168 | | 2008 | 1,311,312 | | 2007 | 1,296,789 | | 2006 | 1,284,280 | | 2005 | 1,273,074 | | 2004 | 1,262,236 | | 2003 | 1,251,264 | | 2002 | 1,239,950 | | 2001 | 1,228,209 | | 2000 | 1,216,362 | | 1999 | 1,204,825 | | 1998 | 1,193,744 | | 1997 | 1,182,681 | | 1996 | 1,170,894 | | 1995 | 1,158,033 | | 1994 | 1,144,078 | | 1993 | 1,128,931 | | 1992 | 1,112,467 | | 1991 | 1,094,697 | | 1990 | 1,075,781 | | 1989 | 1,055,818 | | 1988 | 1,032,870 | | 1987 | 1,007,529 | | 1986 | 982,413 | | 1985 | 957,879 | | 1984 | 934,258 | | 1983 | 911,668 | | 1982 | 890,000 | | 1981 | 869,048 | | 1980 | 848,678 | | 1979 | 828,860 | | 1978 | 808,314 | | 1977 | 786,617 | | 1976 | 764,662 | | 1975 | 742,652 | | 1974 | 721,034 | | 1973 | 700,313 | | 1972 | 680,886 | | 1971 | 662,827 | | 1970 | 645,997 | | 1969 | 630,275 | | 1968 | 614,882 | | 1967 | 599,052 | | 1966 | 582,973 | | 1965 | 567,210 | | 1964 | 552,274 | | 1963 | 538,382 | | 1962 | 522,553 | | 1961 | 504,303 | | 1960 | 486,071 |
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