Year | Value | 2022 | 4,695,176 | 2021 | 4,542,611 | 2020 | 4,383,123 | 2019 | 4,209,449 | 2018 | 4,017,625 | 2017 | 3,820,009 | 2016 | 3,624,982 | 2015 | 3,429,570 | 2014 | 3,233,372 | 2013 | 3,048,747 | 2012 | 2,885,144 | 2011 | 2,742,054 | 2010 | 2,624,295 | 2009 | 2,533,812 | 2008 | 2,468,180 | 2007 | 2,421,003 | 2006 | 2,384,944 | 2005 | 2,354,031 | 2004 | 2,324,943 | 2003 | 2,295,947 | 2002 | 2,264,410 | 2001 | 2,227,995 | 2000 | 2,186,612 | 1999 | 2,139,300 | 1998 | 2,082,967 | 1997 | 2,009,958 | 1996 | 1,927,307 | 1995 | 1,858,651 | 1994 | 1,802,244 | 1993 | 1,749,067 | 1992 | 1,697,117 | 1991 | 1,641,343 | 1990 | 1,581,210 | 1989 | 1,518,815 | 1988 | 1,455,116 | 1987 | 1,391,846 | 1986 | 1,333,425 | 1985 | 1,284,282 | 1984 | 1,244,015 | 1983 | 1,211,493 | 1982 | 1,186,732 | 1981 | 1,162,210 | 1980 | 1,137,946 | 1979 | 1,118,102 | 1978 | 1,103,588 | 1977 | 1,090,242 | 1976 | 1,064,434 | 1975 | 1,032,531 | 1974 | 1,010,613 | 1973 | 995,032 | 1972 | 978,661 | 1971 | 961,056 | 1970 | 941,994 | 1969 | 921,219 | 1968 | 898,682 | 1967 | 875,456 | 1966 | 853,385 | 1965 | 833,134 | 1964 | 813,741 | 1963 | 794,323 | 1962 | 774,665 | 1961 | 754,765 | 1960 | 737,899 |
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