| Year | Value | | 2022 | 1,388,514 | | 2021 | 1,356,133 | | 2020 | 1,335,180 | | 2019 | 1,317,805 | | 2018 | 1,299,427 | | 2017 | 1,284,216 | | 2016 | 1,271,466 | | 2015 | 1,261,271 | | 2014 | 1,253,996 | | 2013 | 1,251,093 | | 2012 | 1,252,963 | | 2011 | 1,256,097 | | 2010 | 1,258,082 | | 2009 | 1,256,318 | | 2008 | 1,249,194 | | 2007 | 1,237,841 | | 2006 | 1,222,727 | | 2005 | 1,203,639 | | 2004 | 1,182,276 | | 2003 | 1,161,057 | | 2002 | 1,140,065 | | 2001 | 1,119,422 | | 2000 | 1,098,755 | | 1999 | 1,076,280 | | 1998 | 1,051,056 | | 1997 | 1,023,752 | | 1996 | 996,026 | | 1995 | 968,948 | | 1994 | 944,773 | | 1993 | 921,497 | | 1992 | 900,465 | | 1991 | 879,381 | | 1990 | 855,487 | | 1989 | 832,437 | | 1988 | 810,743 | | 1987 | 791,763 | | 1986 | 773,873 | | 1985 | 757,577 | | 1984 | 742,897 | | 1983 | 729,056 | | 1982 | 715,719 | | 1981 | 703,001 | | 1980 | 690,566 | | 1979 | 676,317 | | 1978 | 661,909 | | 1977 | 648,163 | | 1976 | 633,372 | | 1975 | 618,150 | | 1974 | 602,029 | | 1973 | 585,454 | | 1972 | 568,539 | | 1971 | 551,967 | | 1970 | 535,420 | | 1969 | 521,463 | | 1968 | 509,564 | | 1967 | 496,831 | | 1966 | 484,401 | | 1965 | 471,623 | | 1964 | 456,762 | | 1963 | 440,798 | | 1962 | 426,967 | | 1961 | 416,760 | | 1960 | 410,309 |
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