| Year | Value | | 2022 | 1,232,406,982 | | 2021 | 1,205,099,007 | | 2020 | 1,177,588,680 | | 2019 | 1,150,416,080 | | 2018 | 1,123,983,941 | | 2017 | 1,098,416,162 | | 2016 | 1,073,442,780 | | 2015 | 1,049,402,114 | | 2014 | 1,026,805,224 | | 2013 | 1,005,080,882 | | 2012 | 983,589,911 | | 2011 | 961,612,140 | | 2010 | 939,730,969 | | 2009 | 918,527,916 | | 2008 | 898,199,432 | | 2007 | 878,188,505 | | 2006 | 857,875,888 | | 2005 | 837,717,855 | | 2004 | 818,159,682 | | 2003 | 798,891,420 | | 2002 | 779,234,829 | | 2001 | 760,135,841 | | 2000 | 742,632,467 | | 1999 | 725,601,226 | | 1998 | 708,735,506 | | 1997 | 692,329,687 | | 1996 | 676,066,268 | | 1995 | 659,768,176 | | 1994 | 643,572,966 | | 1993 | 627,217,382 | | 1992 | 610,501,924 | | 1991 | 594,934,070 | | 1990 | 580,839,235 | | 1989 | 566,800,425 | | 1988 | 552,965,450 | | 1987 | 539,531,809 | | 1986 | 526,144,768 | | 1985 | 512,976,248 | | 1984 | 499,790,540 | | 1983 | 486,705,751 | | 1982 | 473,936,564 | | 1981 | 462,246,693 | | 1980 | 451,982,661 | | 1979 | 441,440,230 | | 1978 | 430,022,867 | | 1977 | 419,152,337 | | 1976 | 409,173,986 | | 1975 | 399,483,696 | | 1974 | 389,663,013 | | 1973 | 379,779,614 | | 1972 | 370,219,688 | | 1971 | 361,723,391 | | 1970 | 353,539,882 | | 1969 | 344,654,926 | | 1968 | 335,669,699 | | 1967 | 326,857,777 | | 1966 | 318,386,686 | | 1965 | 310,230,648 | | 1964 | 302,286,207 | | 1963 | 294,632,894 | | 1962 | 287,265,174 | | 1961 | 280,120,877 | | 1960 | 273,244,840 |
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