| Year | Value | | 2022 | 1,233,762 | | 2021 | 1,225,864 | | 2020 | 1,238,922 | | 2019 | 1,261,476 | | 2018 | 1,294,584 | | 2017 | 1,331,352 | | 2016 | 1,364,428 | | 2015 | 1,383,451 | | 2014 | 1,388,488 | | 2013 | 1,376,862 | | 2012 | 1,360,057 | | 2011 | 1,339,403 | | 2010 | 1,316,487 | | 2009 | 1,291,631 | | 2008 | 1,265,581 | | 2007 | 1,235,464 | | 2006 | 1,202,554 | | 2005 | 1,167,331 | | 2004 | 1,132,623 | | 2003 | 1,102,113 | | 2002 | 1,080,573 | | 2001 | 1,058,423 | | 2000 | 1,024,669 | | 1999 | 982,129 | | 1998 | 937,285 | | 1997 | 887,407 | | 1996 | 835,822 | | 1995 | 794,199 | | 1994 | 760,624 | | 1993 | 727,459 | | 1992 | 696,170 | | 1991 | 669,580 | | 1990 | 649,405 | | 1989 | 634,065 | | 1988 | 622,557 | | 1987 | 619,667 | | 1986 | 619,801 | | 1985 | 622,223 | | 1984 | 625,261 | | 1983 | 627,195 | | 1982 | 626,793 | | 1981 | 624,241 | | 1980 | 622,034 | | 1979 | 620,709 | | 1978 | 622,455 | | 1977 | 625,044 | | 1976 | 625,196 | | 1975 | 619,421 | | 1974 | 606,015 | | 1973 | 586,336 | | 1972 | 563,376 | | 1971 | 544,027 | | 1970 | 524,272 | | 1969 | 517,410 | | 1968 | 510,691 | | 1967 | 501,965 | | 1966 | 490,550 | | 1965 | 477,248 | | 1964 | 462,993 | | 1963 | 448,163 | | 1962 | 434,333 | | 1961 | 421,040 | | 1960 | 407,037 |
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