| Year | Value | | 2022 | 3,569,217 | | 2021 | 3,605,983 | | 2020 | 3,695,020 | | 2019 | 3,759,082 | | 2018 | 3,806,313 | | 2017 | 3,845,566 | | 2016 | 3,882,427 | | 2015 | 3,918,787 | | 2014 | 3,967,926 | | 2013 | 4,026,594 | | 2012 | 4,086,299 | | 2011 | 4,161,328 | | 2010 | 4,224,082 | | 2009 | 4,252,475 | | 2008 | 4,232,486 | | 2007 | 4,176,858 | | 2006 | 4,094,448 | | 2005 | 3,999,865 | | 2004 | 3,914,837 | | 2003 | 3,869,581 | | 2002 | 3,865,300 | | 2001 | 3,842,564 | | 2000 | 3,779,915 | | 1999 | 3,717,389 | | 1998 | 3,648,947 | | 1997 | 3,581,637 | | 1996 | 3,585,947 | | 1995 | 3,670,826 | | 1994 | 3,768,490 | | 1993 | 3,876,831 | | 1992 | 4,015,953 | | 1991 | 4,173,982 | | 1990 | 4,316,263 | | 1989 | 4,433,050 | | 1988 | 4,505,704 | | 1987 | 4,529,350 | | 1986 | 4,516,882 | | 1985 | 4,480,089 | | 1984 | 4,433,064 | | 1983 | 4,379,520 | | 1982 | 4,307,427 | | 1981 | 4,197,208 | | 1980 | 4,003,840 | | 1979 | 3,774,161 | | 1978 | 3,571,399 | | 1977 | 3,386,642 | | 1976 | 3,253,632 | | 1975 | 3,223,891 | | 1974 | 3,258,080 | | 1973 | 3,297,186 | | 1972 | 3,349,762 | | 1971 | 3,398,269 | | 1970 | 3,436,775 | | 1969 | 3,461,822 | | 1968 | 3,480,373 | | 1967 | 3,502,279 | | 1966 | 3,528,383 | | 1965 | 3,570,462 | | 1964 | 3,611,145 | | 1963 | 3,629,726 | | 1962 | 3,618,248 | | 1961 | 3,576,251 | | 1960 | 3,517,300 |
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