| Year | Value | | 2022 | 1,407,883 | | 2021 | 1,418,222 | | 2020 | 1,430,227 | | 2019 | 1,441,653 | | 2018 | 1,451,912 | | 2017 | 1,458,508 | | 2016 | 1,463,552 | | 2015 | 1,468,896 | | 2014 | 1,474,113 | | 2013 | 1,476,177 | | 2012 | 1,472,572 | | 2011 | 1,462,353 | | 2010 | 1,447,241 | | 2009 | 1,429,899 | | 2008 | 1,411,571 | | 2007 | 1,392,159 | | 2006 | 1,372,371 | | 2005 | 1,351,745 | | 2004 | 1,327,580 | | 2003 | 1,304,147 | | 2002 | 1,283,126 | | 2001 | 1,260,445 | | 2000 | 1,236,471 | | 1999 | 1,211,967 | | 1998 | 1,186,936 | | 1997 | 1,161,544 | | 1996 | 1,136,241 | | 1995 | 1,110,155 | | 1994 | 1,085,967 | | 1993 | 1,065,004 | | 1992 | 1,045,607 | | 1991 | 1,027,179 | | 1990 | 1,007,948 | | 1989 | 987,724 | | 1988 | 966,637 | | 1987 | 943,329 | | 1986 | 918,485 | | 1985 | 891,479 | | 1984 | 862,458 | | 1983 | 833,564 | | 1982 | 803,766 | | 1981 | 773,876 | | 1980 | 745,891 | | 1979 | 718,791 | | 1978 | 685,418 | | 1977 | 646,150 | | 1976 | 609,111 | | 1975 | 575,420 | | 1974 | 545,552 | | 1973 | 526,559 | | 1972 | 517,822 | | 1971 | 509,944 | | 1970 | 502,066 | | 1969 | 496,132 | | 1968 | 491,988 | | 1967 | 489,332 | | 1966 | 487,027 | | 1965 | 483,865 | | 1964 | 479,430 | | 1963 | 473,618 | | 1962 | 468,009 | | 1961 | 463,465 | | 1960 | 461,943 |
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