Year | Value | 2022 | 525,534,824 | 2021 | 520,343,429 | 2020 | 515,109,451 | 2019 | 509,355,722 | 2018 | 503,252,040 | 2017 | 496,934,006 | 2016 | 490,376,339 | 2015 | 483,705,904 | 2014 | 476,995,678 | 2013 | 470,257,313 | 2012 | 463,478,372 | 2011 | 456,600,087 | 2010 | 449,702,188 | 2009 | 443,278,595 | 2008 | 436,677,002 | 2007 | 430,021,395 | 2006 | 423,265,716 | 2005 | 416,432,907 | 2004 | 409,518,503 | 2003 | 402,568,285 | 2002 | 395,511,206 | 2001 | 388,308,206 | 2000 | 380,881,145 | 1999 | 372,930,796 | 1998 | 364,930,269 | 1997 | 356,843,342 | 1996 | 348,751,549 | 1995 | 340,723,848 | 1994 | 332,589,449 | 1993 | 324,482,430 | 1992 | 316,482,044 | 1991 | 308,489,549 | 1990 | 300,445,281 | 1989 | 292,428,297 | 1988 | 284,543,031 | 1987 | 276,719,887 | 1986 | 268,989,962 | 1985 | 261,310,797 | 1984 | 253,662,868 | 1983 | 246,085,025 | 1982 | 238,608,478 | 1981 | 231,244,101 | 1980 | 223,869,451 | 1979 | 216,384,940 | 1978 | 208,982,640 | 1977 | 201,733,031 | 1976 | 194,718,371 | 1975 | 187,931,269 | 1974 | 181,295,275 | 1973 | 174,822,722 | 1972 | 168,509,676 | 1971 | 162,312,845 | 1970 | 156,258,325 | 1969 | 150,332,202 | 1968 | 144,530,149 | 1967 | 138,849,403 | 1966 | 133,302,371 | 1965 | 127,882,642 | 1964 | 122,597,423 | 1963 | 117,340,440 | 1962 | 112,267,244 | 1961 | 107,374,895 | 1960 | 102,688,880 |
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