| Year | Value | | 2022 | 2,178,717 | | 2021 | 2,146,406 | | 2020 | 2,099,558 | | 2019 | 2,047,440 | | 2018 | 1,988,932 | | 2017 | 1,932,920 | | 2016 | 1,892,547 | | 2015 | 1,866,702 | | 2014 | 1,844,039 | | 2013 | 1,819,330 | | 2012 | 1,790,294 | | 2011 | 1,757,647 | | 2010 | 1,723,000 | | 2009 | 1,687,963 | | 2008 | 1,656,159 | | 2007 | 1,629,441 | | 2006 | 1,608,161 | | 2005 | 1,593,785 | | 2004 | 1,585,791 | | 2003 | 1,582,982 | | 2002 | 1,583,801 | | 2001 | 1,585,474 | | 2000 | 1,586,072 | | 1999 | 1,583,747 | | 1998 | 1,575,528 | | 1997 | 1,559,765 | | 1996 | 1,536,938 | | 1995 | 1,507,341 | | 1994 | 1,470,621 | | 1993 | 1,428,859 | | 1992 | 1,384,111 | | 1991 | 1,337,237 | | 1990 | 1,288,318 | | 1989 | 1,238,002 | | 1988 | 1,188,111 | | 1987 | 1,139,220 | | 1986 | 1,091,673 | | 1985 | 1,045,769 | | 1984 | 1,001,295 | | 1983 | 955,558 | | 1982 | 910,740 | | 1981 | 870,117 | | 1980 | 831,514 | | 1979 | 794,891 | | 1978 | 763,252 | | 1977 | 734,853 | | 1976 | 707,841 | | 1975 | 682,596 | | 1974 | 658,137 | | 1973 | 634,781 | | 1972 | 613,137 | | 1971 | 594,252 | | 1970 | 577,616 | | 1969 | 562,914 | | 1968 | 550,823 | | 1967 | 540,569 | | 1966 | 530,826 | | 1965 | 520,636 | | 1964 | 510,103 | | 1963 | 499,365 | | 1962 | 488,086 | | 1961 | 476,615 | | 1960 | 465,233 |
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