| Year | Value | | 2022 | 1,698,128,100 | | 2021 | 1,679,668,733 | | 2020 | 1,660,776,296 | | 2019 | 1,640,571,424 | | 2018 | 1,619,621,606 | | 2017 | 1,598,467,945 | | 2016 | 1,577,172,737 | | 2015 | 1,555,534,321 | | 2014 | 1,533,843,225 | | 2013 | 1,512,339,447 | | 2012 | 1,490,797,111 | | 2011 | 1,469,019,700 | | 2010 | 1,446,585,237 | | 2009 | 1,424,215,418 | | 2008 | 1,402,405,324 | | 2007 | 1,380,622,188 | | 2006 | 1,358,650,217 | | 2005 | 1,336,737,282 | | 2004 | 1,314,867,953 | | 2003 | 1,292,831,397 | | 2002 | 1,270,969,776 | | 2001 | 1,248,717,831 | | 2000 | 1,225,868,818 | | 1999 | 1,203,219,425 | | 1998 | 1,180,823,688 | | 1997 | 1,158,310,036 | | 1996 | 1,135,420,111 | | 1995 | 1,112,445,412 | | 1994 | 1,090,520,971 | | 1993 | 1,069,002,981 | | 1992 | 1,046,913,908 | | 1991 | 1,024,304,694 | | 1990 | 1,000,971,895 | | 1989 | 976,904,104 | | 1988 | 954,284,496 | | 1987 | 931,823,827 | | 1986 | 909,660,582 | | 1985 | 887,615,062 | | 1984 | 865,868,898 | | 1983 | 844,522,027 | | 1982 | 823,388,954 | | 1981 | 802,353,991 | | 1980 | 782,063,544 | | 1979 | 762,953,777 | | 1978 | 744,526,832 | | 1977 | 726,734,496 | | 1976 | 709,438,264 | | 1975 | 692,570,517 | | 1974 | 676,095,360 | | 1973 | 659,910,634 | | 1972 | 644,046,426 | | 1971 | 628,905,152 | | 1970 | 614,141,138 | | 1969 | 599,284,596 | | 1968 | 584,556,964 | | 1967 | 570,228,069 | | 1966 | 556,378,004 | | 1965 | 542,965,724 | | 1964 | 529,628,377 | | 1963 | 516,372,343 | | 1962 | 503,474,961 | | 1961 | 490,924,678 | | 1960 | 478,750,396 |
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