| Year | Value | | 2022 | 9,652,694 | | 2021 | 10,065,572 | | 2020 | 10,039,675 | | 2019 | 9,773,672 | | 2018 | 9,367,054 | | 2017 | 8,924,263 | | 2016 | 8,537,648 | | 2015 | 8,286,342 | | 2014 | 8,169,481 | | 2013 | 8,140,663 | | 2012 | 8,050,540 | | 2011 | 7,878,382 | | 2010 | 7,634,137 | | 2009 | 7,326,333 | | 2008 | 6,972,075 | | 2007 | 6,606,770 | | 2006 | 6,259,986 | | 2005 | 5,923,011 | | 2004 | 5,617,375 | | 2003 | 5,362,738 | | 2002 | 5,203,783 | | 2001 | 5,149,634 | | 2000 | 5,181,333 | | 1999 | 5,252,683 | | 1998 | 5,330,809 | | 1997 | 5,499,408 | | 1996 | 5,730,816 | | 1995 | 5,888,578 | | 1994 | 5,893,021 | | 1993 | 5,789,102 | | 1992 | 5,617,914 | | 1991 | 5,427,097 | | 1990 | 5,251,081 | | 1989 | 5,066,102 | | 1988 | 4,898,015 | | 1987 | 4,735,192 | | 1986 | 4,563,934 | | 1985 | 4,410,254 | | 1984 | 4,266,329 | | 1983 | 4,100,614 | | 1982 | 3,922,848 | | 1981 | 3,753,039 | | 1980 | 3,582,876 | | 1979 | 3,427,634 | | 1978 | 3,313,063 | | 1977 | 3,216,018 | | 1976 | 3,125,197 | | 1975 | 3,035,854 | | 1974 | 2,942,957 | | 1973 | 2,861,840 | | 1972 | 2,797,090 | | 1971 | 2,733,731 | | 1970 | 2,664,729 | | 1969 | 2,584,950 | | 1968 | 2,481,534 | | 1967 | 2,362,406 | | 1966 | 2,249,128 | | 1965 | 2,144,272 | | 1964 | 2,036,184 | | 1963 | 1,935,792 | | 1962 | 1,858,297 | | 1961 | 1,791,078 | | 1960 | 1,715,341 |
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