| Year | Value | | 2022 | 1,749,270,551 | | 2021 | 1,731,599,644 | | 2020 | 1,713,607,240 | | 2019 | 1,693,990,322 | | 2018 | 1,673,275,005 | | 2017 | 1,652,284,816 | | 2016 | 1,631,196,818 | | 2015 | 1,609,680,565 | | 2014 | 1,587,812,977 | | 2013 | 1,566,067,758 | | 2012 | 1,544,362,521 | | 2011 | 1,522,383,787 | | 2010 | 1,499,700,369 | | 2009 | 1,477,114,504 | | 2008 | 1,455,181,684 | | 2007 | 1,433,168,606 | | 2006 | 1,410,770,928 | | 2005 | 1,388,276,456 | | 2004 | 1,365,699,438 | | 2003 | 1,342,900,131 | | 2002 | 1,320,234,463 | | 2001 | 1,297,125,297 | | 2000 | 1,273,338,151 | | 1999 | 1,249,733,385 | | 1998 | 1,226,362,452 | | 1997 | 1,202,785,177 | | 1996 | 1,178,914,365 | | 1995 | 1,155,171,202 | | 1994 | 1,132,555,986 | | 1993 | 1,110,377,246 | | 1992 | 1,087,652,699 | | 1991 | 1,064,276,197 | | 1990 | 1,040,071,662 | | 1989 | 1,015,188,118 | | 1988 | 991,864,817 | | 1987 | 968,766,165 | | 1986 | 945,963,751 | | 1985 | 923,657,251 | | 1984 | 901,896,396 | | 1983 | 880,406,265 | | 1982 | 859,045,379 | | 1981 | 837,471,746 | | 1980 | 816,284,809 | | 1979 | 796,394,679 | | 1978 | 777,456,210 | | 1977 | 759,099,051 | | 1976 | 741,272,374 | | 1975 | 723,843,889 | | 1974 | 706,513,216 | | 1973 | 689,338,781 | | 1972 | 672,508,806 | | 1971 | 656,766,942 | | 1970 | 641,519,883 | | 1969 | 626,002,817 | | 1968 | 610,721,373 | | 1967 | 595,864,599 | | 1966 | 581,497,804 | | 1965 | 567,637,686 | | 1964 | 553,801,819 | | 1963 | 539,955,080 | | 1962 | 526,487,293 | | 1961 | 513,394,689 | | 1960 | 500,711,103 |
|