| Year | Value | | 2022 | 3,954,425,852 | | 2021 | 3,922,248,931 | | 2020 | 3,887,047,309 | | 2019 | 3,847,031,725 | | 2018 | 3,806,031,587 | | 2017 | 3,763,961,798 | | 2016 | 3,720,947,920 | | 2015 | 3,677,913,970 | | 2014 | 3,634,994,094 | | 2013 | 3,591,609,815 | | 2012 | 3,548,157,142 | | 2011 | 3,505,037,447 | | 2010 | 3,463,433,092 | | 2009 | 3,421,613,924 | | 2008 | 3,379,964,326 | | 2007 | 3,338,620,070 | | 2006 | 3,298,027,740 | | 2005 | 3,257,365,112 | | 2004 | 3,216,915,447 | | 2003 | 3,176,588,201 | | 2002 | 3,136,343,756 | | 2001 | 3,095,885,143 | | 2000 | 3,055,481,352 | | 1999 | 3,015,194,136 | | 1998 | 2,974,565,934 | | 1997 | 2,933,406,073 | | 1996 | 2,891,801,843 | | 1995 | 2,849,888,079 | | 1994 | 2,808,066,388 | | 1993 | 2,765,898,948 | | 1992 | 2,723,206,521 | | 1991 | 2,680,089,845 | | 1990 | 2,636,306,548 | | 1989 | 2,591,710,919 | | 1988 | 2,547,853,874 | | 1987 | 2,503,962,739 | | 1986 | 2,460,478,851 | | 1985 | 2,417,909,994 | | 1984 | 2,376,350,917 | | 1983 | 2,335,625,029 | | 1982 | 2,294,742,473 | | 1981 | 2,254,180,826 | | 1980 | 2,215,397,101 | | 1979 | 2,177,484,909 | | 1978 | 2,139,726,206 | | 1977 | 2,103,031,923 | | 1976 | 2,066,966,509 | | 1975 | 2,030,759,929 | | 1974 | 1,994,210,954 | | 1973 | 1,956,926,414 | | 1972 | 1,919,397,390 | | 1971 | 1,882,107,851 | | 1970 | 1,843,654,528 | | 1969 | 1,806,251,715 | | 1968 | 1,769,416,359 | | 1967 | 1,733,751,689 | | 1966 | 1,698,937,051 | | 1965 | 1,663,955,664 | | 1964 | 1,630,294,652 | | 1963 | 1,597,124,060 | | 1962 | 1,564,170,570 | | 1961 | 1,537,113,054 | | 1960 | 1,516,614,589 |
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