Year | Value | 2022 | 685,992,675 | 2021 | 681,060,412 | 2020 | 675,389,679 | 2019 | 668,786,993 | 2018 | 661,854,076 | 2017 | 654,607,791 | 2016 | 647,012,921 | 2015 | 639,323,292 | 2014 | 631,697,152 | 2013 | 623,809,180 | 2012 | 615,647,779 | 2011 | 607,376,801 | 2010 | 599,047,591 | 2009 | 590,747,758 | 2008 | 582,492,785 | 2007 | 574,185,530 | 2006 | 565,762,395 | 2005 | 557,161,047 | 2004 | 548,274,218 | 2003 | 539,178,882 | 2002 | 529,978,166 | 2001 | 520,679,574 | 2000 | 511,410,095 | 1999 | 502,255,693 | 1998 | 493,147,162 | 1997 | 484,031,612 | 1996 | 474,932,057 | 1995 | 465,846,665 | 1994 | 456,726,553 | 1993 | 447,615,320 | 1992 | 438,527,953 | 1991 | 429,478,264 | 1990 | 420,468,106 | 1989 | 411,461,378 | 1988 | 402,535,292 | 1987 | 393,755,601 | 1986 | 385,067,312 | 1985 | 376,475,662 | 1984 | 368,029,660 | 1983 | 359,724,278 | 1982 | 351,626,946 | 1981 | 343,719,452 | 1980 | 335,953,058 | 1979 | 328,422,054 | 1978 | 321,198,151 | 1977 | 314,189,303 | 1976 | 307,373,867 | 1975 | 300,723,268 | 1974 | 294,137,889 | 1973 | 287,642,024 | 1972 | 281,308,597 | 1971 | 275,180,236 | 1970 | 269,208,897 | 1969 | 263,380,464 | 1968 | 257,695,427 | 1967 | 252,216,091 | 1966 | 246,951,009 | 1965 | 241,740,859 | 1964 | 236,446,379 | 1963 | 231,120,329 | 1962 | 225,898,332 | 1961 | 220,791,299 | 1960 | 215,819,000 |
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