| Year | Value | | 2022 | 4,590,312 | | 2021 | 4,548,093 | | 2020 | 4,529,542 | | 2019 | 4,511,982 | | 2018 | 4,492,714 | | 2017 | 4,472,047 | | 2016 | 4,444,108 | | 2015 | 4,406,154 | | 2014 | 4,368,440 | | 2013 | 4,340,305 | | 2012 | 4,319,072 | | 2011 | 4,303,100 | | 2010 | 4,290,783 | | 2009 | 4,281,722 | | 2008 | 4,271,832 | | 2007 | 4,259,257 | | 2006 | 4,246,451 | | 2005 | 4,228,220 | | 2004 | 4,203,243 | | 2003 | 4,180,186 | | 2002 | 4,163,296 | | 2001 | 4,147,958 | | 2000 | 4,136,746 | | 1999 | 4,130,055 | | 1998 | 4,124,523 | | 1997 | 4,121,782 | | 1996 | 4,118,420 | | 1995 | 4,114,132 | | 1994 | 4,110,125 | | 1993 | 4,098,726 | | 1992 | 4,071,050 | | 1991 | 4,033,849 | | 1990 | 4,002,701 | | 1989 | 3,980,843 | | 1988 | 3,969,529 | | 1987 | 3,969,220 | | 1986 | 3,971,607 | | 1985 | 3,973,845 | | 1984 | 3,975,799 | | 1983 | 3,979,057 | | 1982 | 3,987,800 | | 1981 | 3,988,575 | | 1980 | 3,982,428 | | 1979 | 3,983,555 | | 1978 | 3,990,008 | | 1977 | 3,993,560 | | 1976 | 3,992,908 | | 1975 | 3,998,352 | | 1974 | 4,005,068 | | 1973 | 3,998,726 | | 1972 | 3,981,549 | | 1971 | 3,963,093 | | 1970 | 3,949,146 | | 1969 | 3,938,506 | | 1968 | 3,927,504 | | 1967 | 3,911,038 | | 1966 | 3,888,124 | | 1965 | 3,867,107 | | 1964 | 3,847,012 | | 1963 | 3,825,209 | | 1962 | 3,804,067 | | 1961 | 3,783,524 | | 1960 | 3,764,841 |
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