Year | Value | 2022 | 10,973,487 | 2021 | 11,104,205 | 2020 | 11,276,010 | 2019 | 11,324,421 | 2018 | 11,362,126 | 2017 | 11,295,944 | 2016 | 11,141,825 | 2015 | 10,952,490 | 2014 | 10,769,781 | 2013 | 10,620,207 | 2012 | 10,523,507 | 2011 | 10,465,218 | 2010 | 10,440,852 | 2009 | 10,428,662 | 2008 | 10,386,654 | 2007 | 10,269,044 | 2006 | 10,067,197 | 2005 | 9,810,009 | 2004 | 9,590,578 | 2003 | 9,447,152 | 2002 | 9,401,105 | 2001 | 9,490,047 | 2000 | 9,687,313 | 1999 | 9,860,770 | 1998 | 9,971,197 | 1997 | 10,020,119 | 1996 | 9,985,974 | 1995 | 9,937,963 | 1994 | 9,979,562 | 1993 | 10,120,154 | 1992 | 10,287,734 | 1991 | 10,460,047 | 1990 | 10,610,284 | 1989 | 10,714,579 | 1988 | 10,802,176 | 1987 | 10,858,204 | 1986 | 10,859,518 | 1985 | 10,790,686 | 1984 | 10,691,118 | 1983 | 10,551,805 | 1982 | 10,325,275 | 1981 | 10,233,923 | 1980 | 10,030,113 | 1979 | 9,532,367 | 1978 | 9,154,760 | 1977 | 9,025,167 | 1976 | 8,778,208 | 1975 | 8,436,377 | 1974 | 8,258,657 | 1973 | 8,060,009 | 1972 | 7,687,378 | 1971 | 7,205,148 | 1970 | 6,884,812 | 1969 | 6,708,489 | 1968 | 6,459,800 | 1967 | 6,160,116 | 1966 | 5,958,834 | 1965 | 5,817,073 | 1964 | 5,669,447 | 1963 | 5,564,249 | 1962 | 5,514,016 | 1961 | 5,487,020 | 1960 | 5,474,641 |
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