| Year | Value | | 2022 | 1,764,994 | | 2021 | 1,785,851 | | 2020 | 1,840,175 | | 2019 | 1,897,281 | | 2018 | 1,928,138 | | 2017 | 1,941,688 | | 2016 | 1,941,978 | | 2015 | 1,927,480 | | 2014 | 1,905,909 | | 2013 | 1,885,219 | | 2012 | 1,864,577 | | 2011 | 1,840,030 | | 2010 | 1,824,133 | | 2009 | 1,816,131 | | 2008 | 1,782,277 | | 2007 | 1,719,437 | | 2006 | 1,647,269 | | 2005 | 1,578,619 | | 2004 | 1,528,820 | | 2003 | 1,491,687 | | 2002 | 1,457,787 | | 2001 | 1,422,976 | | 2000 | 1,386,135 | | 1999 | 1,348,952 | | 1998 | 1,313,350 | | 1997 | 1,281,857 | | 1996 | 1,255,765 | | 1995 | 1,234,275 | | 1994 | 1,217,922 | | 1993 | 1,203,523 | | 1992 | 1,190,865 | | 1991 | 1,177,977 | | 1990 | 1,161,451 | | 1989 | 1,143,257 | | 1988 | 1,126,057 | | 1987 | 1,113,052 | | 1986 | 1,099,244 | | 1985 | 1,084,018 | | 1984 | 1,066,780 | | 1983 | 1,046,093 | | 1982 | 1,022,432 | | 1981 | 997,300 | | 1980 | 970,599 | | 1979 | 941,227 | | 1978 | 911,492 | | 1977 | 881,176 | | 1976 | 849,438 | | 1975 | 817,178 | | 1974 | 787,481 | | 1973 | 760,385 | | 1972 | 734,145 | | 1971 | 710,015 | | 1970 | 686,501 | | 1969 | 662,424 | | 1968 | 639,144 | | 1967 | 618,354 | | 1966 | 602,504 | | 1965 | 591,909 | | 1964 | 584,060 | | 1963 | 577,834 | | 1962 | 572,291 | | 1961 | 565,900 | | 1960 | 558,747 |
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