Year | Value | 2022 | 45,148,889 | 2021 | 42,425,263 | 2020 | 39,682,022 | 2019 | 36,950,550 | 2018 | 34,683,516 | 2017 | 32,856,141 | 2016 | 31,635,635 | 2015 | 30,892,231 | 2014 | 30,223,377 | 2013 | 29,572,427 | 2012 | 29,041,904 | 2011 | 28,529,114 | 2010 | 28,130,047 | 2009 | 27,929,692 | 2008 | 27,775,059 | 2007 | 27,423,912 | 2006 | 26,812,346 | 2005 | 26,055,924 | 2004 | 25,262,918 | 2003 | 24,443,310 | 2002 | 23,649,716 | 2001 | 22,910,313 | 2000 | 22,214,419 | 1999 | 21,585,692 | 1998 | 20,917,641 | 1997 | 20,190,876 | 1996 | 19,549,803 | 1995 | 18,918,123 | 1994 | 18,181,438 | 1993 | 17,419,474 | 1992 | 16,780,143 | 1991 | 16,250,748 | 1990 | 15,755,834 | 1989 | 15,364,220 | 1988 | 15,084,687 | 1987 | 14,757,117 | 1986 | 14,328,932 | 1985 | 13,889,257 | 1984 | 13,471,105 | 1983 | 13,059,278 | 1982 | 12,685,791 | 1981 | 12,372,957 | 1980 | 12,083,869 | 1979 | 11,745,762 | 1978 | 11,393,578 | 1977 | 11,092,317 | 1976 | 10,799,695 | 1975 | 10,457,721 | 1974 | 10,047,437 | 1973 | 9,595,916 | 1972 | 9,164,675 | 1971 | 8,767,620 | 1970 | 8,407,369 | 1969 | 8,164,641 | 1968 | 7,977,120 | 1967 | 7,784,816 | 1966 | 7,572,857 | 1965 | 7,340,633 | 1964 | 7,150,867 | 1963 | 7,010,550 | 1962 | 6,875,929 | 1961 | 6,820,239 | 1960 | 6,898,061 |
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