Year | Value | 2022 | 6,655,165 | 2021 | 6,427,059 | 2020 | 6,221,399 | 2019 | 6,015,287 | 2018 | 5,810,990 | 2017 | 5,614,110 | 2016 | 5,411,777 | 2015 | 5,200,932 | 2014 | 4,984,796 | 2013 | 4,756,035 | 2012 | 4,528,958 | 2011 | 4,318,222 | 2010 | 4,114,972 | 2009 | 3,910,381 | 2008 | 3,713,112 | 2007 | 3,534,386 | 2006 | 3,375,808 | 2005 | 3,242,347 | 2004 | 3,141,591 | 2003 | 3,073,111 | 2002 | 3,027,051 | 2001 | 2,990,823 | 2000 | 2,956,738 | 1999 | 2,923,834 | 1998 | 2,888,878 | 1997 | 2,840,536 | 1996 | 2,779,037 | 1995 | 2,719,908 | 1994 | 2,661,700 | 1993 | 2,596,437 | 1992 | 2,526,901 | 1991 | 2,456,553 | 1990 | 2,389,131 | 1989 | 2,312,126 | 1988 | 2,251,182 | 1987 | 2,192,005 | 1986 | 2,128,581 | 1985 | 2,059,828 | 1984 | 1,986,861 | 1983 | 1,908,686 | 1982 | 1,829,576 | 1981 | 1,754,166 | 1980 | 1,687,565 | 1979 | 1,631,501 | 1978 | 1,588,074 | 1977 | 1,553,291 | 1976 | 1,510,106 | 1975 | 1,465,049 | 1974 | 1,436,284 | 1973 | 1,420,616 | 1972 | 1,408,899 | 1971 | 1,396,170 | 1970 | 1,379,949 | 1969 | 1,360,905 | 1968 | 1,339,062 | 1967 | 1,314,501 | 1966 | 1,288,178 | 1965 | 1,260,612 | 1964 | 1,232,597 | 1963 | 1,206,738 | 1962 | 1,185,178 | 1961 | 1,165,070 | 1960 | 1,141,301 |
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