| Year | Value | | 2022 | 3,073,830 | | 2021 | 3,165,384 | | 2020 | 3,241,815 | | 2019 | 3,322,747 | | 2018 | 3,420,125 | | 2017 | 3,542,253 | | 2016 | 3,674,173 | | 2015 | 3,800,373 | | 2014 | 3,902,739 | | 2013 | 3,962,469 | | 2012 | 3,984,710 | | 2011 | 3,973,860 | | 2010 | 3,939,047 | | 2009 | 3,901,733 | | 2008 | 3,853,568 | | 2007 | 3,793,940 | | 2006 | 3,703,105 | | 2005 | 3,534,925 | | 2004 | 3,330,492 | | 2003 | 3,148,409 | | 2002 | 2,987,711 | | 2001 | 2,883,248 | | 2000 | 2,877,802 | | 1999 | 2,927,660 | | 1998 | 2,967,819 | | 1997 | 3,016,188 | | 1996 | 3,067,182 | | 1995 | 3,104,893 | | 1994 | 3,122,924 | | 1993 | 3,135,122 | | 1992 | 3,164,413 | | 1991 | 3,207,703 | | 1990 | 3,258,189 | | 1989 | 3,310,212 | | 1988 | 3,349,675 | | 1987 | 3,357,166 | | 1986 | 3,347,595 | | 1985 | 3,344,346 | | 1984 | 3,338,268 | | 1983 | 3,330,222 | | 1982 | 3,326,065 | | 1981 | 3,301,260 | | 1980 | 3,226,644 | | 1979 | 3,109,991 | | 1978 | 2,882,657 | | 1977 | 2,558,858 | | 1976 | 2,273,336 | | 1975 | 2,082,857 | | 1974 | 2,039,250 | | 1973 | 2,179,382 | | 1972 | 2,424,690 | | 1971 | 2,656,620 | | 1970 | 2,835,704 | | 1969 | 2,922,412 | | 1968 | 2,927,098 | | 1967 | 2,899,457 | | 1966 | 2,857,406 | | 1965 | 2,805,818 | | 1964 | 2,739,480 | | 1963 | 2,673,969 | | 1962 | 2,615,809 | | 1961 | 2,562,808 | | 1960 | 2,527,720 |
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