Year | Value | 2022 | 1,489,509 | 2021 | 1,444,401 | 2020 | 1,402,460 | 2019 | 1,369,156 | 2018 | 1,347,517 | 2017 | 1,334,144 | 2016 | 1,325,394 | 2015 | 1,319,076 | 2014 | 1,312,893 | 2013 | 1,304,634 | 2012 | 1,294,406 | 2011 | 1,282,860 | 2010 | 1,269,584 | 2009 | 1,253,848 | 2008 | 1,239,792 | 2007 | 1,224,689 | 2006 | 1,202,392 | 2005 | 1,177,635 | 2004 | 1,151,435 | 2003 | 1,116,657 | 2002 | 1,075,866 | 2001 | 1,031,723 | 2000 | 984,397 | 1999 | 938,223 | 1998 | 891,858 | 1997 | 844,068 | 1996 | 800,271 | 1995 | 762,952 | 1994 | 728,242 | 1993 | 695,378 | 1992 | 665,681 | 1991 | 642,783 | 1990 | 624,668 | 1989 | 609,668 | 1988 | 600,467 | 1987 | 596,799 | 1986 | 597,030 | 1985 | 599,065 | 1984 | 600,574 | 1983 | 594,105 | 1982 | 578,355 | 1981 | 559,086 | 1980 | 537,119 | 1979 | 512,915 | 1978 | 487,317 | 1977 | 461,316 | 1976 | 436,092 | 1975 | 412,721 | 1974 | 394,443 | 1973 | 380,024 | 1972 | 365,488 | 1971 | 352,229 | 1970 | 341,647 | 1969 | 329,688 | 1968 | 316,679 | 1967 | 307,788 | 1966 | 301,796 | 1965 | 296,191 | 1964 | 291,455 | 1963 | 288,527 | 1962 | 286,350 | 1961 | 284,822 | 1960 | 284,942 |
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