| Year | Value | | 2022 | 3,239,211,746 | | 2021 | 3,185,061,399 | | 2020 | 3,125,093,957 | | 2019 | 3,062,577,163 | | 2018 | 2,997,971,053 | | 2017 | 2,932,299,483 | | 2016 | 2,866,127,011 | | 2015 | 2,800,370,384 | | 2014 | 2,734,233,518 | | 2013 | 2,668,049,374 | | 2012 | 2,602,914,676 | | 2011 | 2,539,557,076 | | 2010 | 2,477,497,305 | | 2009 | 2,415,789,278 | | 2008 | 2,355,136,556 | | 2007 | 2,295,779,822 | | 2006 | 2,238,028,854 | | 2005 | 2,180,248,222 | | 2004 | 2,122,190,360 | | 2003 | 2,065,015,331 | | 2002 | 2,009,084,475 | | 2001 | 1,953,891,741 | | 2000 | 1,901,062,976 | | 1999 | 1,851,318,284 | | 1998 | 1,802,492,050 | | 1997 | 1,753,864,972 | | 1996 | 1,705,940,764 | | 1995 | 1,658,836,980 | | 1994 | 1,612,407,070 | | 1993 | 1,566,486,888 | | 1992 | 1,521,364,712 | | 1991 | 1,476,240,445 | | 1990 | 1,430,446,903 | | 1989 | 1,384,051,006 | | 1988 | 1,339,197,212 | | 1987 | 1,294,292,637 | | 1986 | 1,250,247,516 | | 1985 | 1,207,447,118 | | 1984 | 1,166,044,110 | | 1983 | 1,125,823,509 | | 1982 | 1,086,719,639 | | 1981 | 1,046,940,725 | | 1980 | 1,007,465,793 | | 1979 | 969,703,740 | | 1978 | 933,519,921 | | 1977 | 901,220,874 | | 1976 | 872,455,937 | | 1975 | 844,180,630 | | 1974 | 817,942,565 | | 1973 | 790,284,682 | | 1972 | 764,095,297 | | 1971 | 739,467,008 | | 1970 | 715,878,708 | | 1969 | 693,309,987 | | 1968 | 671,269,274 | | 1967 | 649,988,477 | | 1966 | 629,428,430 | | 1965 | 609,436,085 | | 1964 | 590,249,491 | | 1963 | 566,328,058 | | 1962 | 543,141,620 | | 1961 | 522,675,524 | | 1960 | 505,208,992 |
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