| Year | Value | | 2022 | 1,609,926,158 | | 2021 | 1,578,426,435 | | 2020 | 1,547,694,952 | | 2019 | 1,516,105,436 | | 2018 | 1,483,802,690 | | 2017 | 1,451,834,326 | | 2016 | 1,420,278,056 | | 2015 | 1,388,472,815 | | 2014 | 1,356,556,247 | | 2013 | 1,325,725,970 | | 2012 | 1,295,796,995 | | 2011 | 1,266,391,238 | | 2010 | 1,236,601,527 | | 2009 | 1,206,754,207 | | 2008 | 1,177,587,779 | | 2007 | 1,148,732,609 | | 2006 | 1,120,094,037 | | 2005 | 1,091,784,280 | | 2004 | 1,064,154,356 | | 2003 | 1,036,921,694 | | 2002 | 1,010,287,668 | | 2001 | 983,588,177 | | 2000 | 957,507,719 | | 1999 | 931,615,657 | | 1998 | 906,248,352 | | 1997 | 880,985,270 | | 1996 | 855,913,564 | | 1995 | 831,167,246 | | 1994 | 806,913,623 | | 1993 | 783,322,824 | | 1992 | 760,049,696 | | 1991 | 736,372,951 | | 1990 | 711,937,270 | | 1989 | 685,889,692 | | 1988 | 662,051,712 | | 1987 | 638,766,240 | | 1986 | 615,994,633 | | 1985 | 593,544,659 | | 1984 | 571,719,990 | | 1983 | 550,553,076 | | 1982 | 530,000,162 | | 1981 | 509,857,421 | | 1980 | 489,194,129 | | 1979 | 469,733,346 | | 1978 | 451,400,824 | | 1977 | 433,790,780 | | 1976 | 416,886,541 | | 1975 | 400,531,637 | | 1974 | 386,398,081 | | 1973 | 371,061,852 | | 1972 | 356,286,951 | | 1971 | 342,223,867 | | 1970 | 329,351,886 | | 1969 | 316,999,439 | | 1968 | 305,028,604 | | 1967 | 293,498,358 | | 1966 | 282,375,221 | | 1965 | 271,722,060 | | 1964 | 261,368,000 | | 1963 | 251,285,765 | | 1962 | 241,622,464 | | 1961 | 232,346,936 | | 1960 | 223,775,405 |
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