| Year | Value | | 2022 | 891,359,399 | | 2021 | 909,206,735 | | 2020 | 926,814,035 | | 2019 | 943,673,950 | | 2018 | 959,791,606 | | 2017 | 975,501,769 | | 2016 | 990,729,913 | | 2015 | 1,005,871,143 | | 2014 | 1,020,458,407 | | 2013 | 1,034,451,730 | | 2012 | 1,047,827,514 | | 2011 | 1,061,053,711 | | 2010 | 1,075,545,775 | | 2009 | 1,091,662,096 | | 2008 | 1,107,281,483 | | 2007 | 1,122,744,122 | | 2006 | 1,138,259,364 | | 2005 | 1,153,256,661 | | 2004 | 1,168,007,650 | | 2003 | 1,182,305,787 | | 2002 | 1,195,774,603 | | 2001 | 1,208,193,220 | | 2000 | 1,218,292,681 | | 1999 | 1,225,880,468 | | 1998 | 1,232,002,013 | | 1997 | 1,236,724,603 | | 1996 | 1,240,222,909 | | 1995 | 1,242,919,684 | | 1994 | 1,244,910,227 | | 1993 | 1,245,829,675 | | 1992 | 1,245,995,424 | | 1991 | 1,244,930,167 | | 1990 | 1,241,962,575 | | 1989 | 1,235,942,725 | | 1988 | 1,229,861,353 | | 1987 | 1,222,945,630 | | 1986 | 1,215,726,567 | | 1985 | 1,209,175,584 | | 1984 | 1,203,329,579 | | 1983 | 1,197,473,617 | | 1982 | 1,190,245,447 | | 1981 | 1,184,156,582 | | 1980 | 1,178,964,318 | | 1979 | 1,173,184,363 | | 1978 | 1,166,655,217 | | 1977 | 1,156,955,589 | | 1976 | 1,144,103,809 | | 1975 | 1,130,000,175 | | 1974 | 1,114,856,181 | | 1973 | 1,097,599,161 | | 1972 | 1,078,057,355 | | 1971 | 1,056,714,018 | | 1970 | 1,033,632,880 | | 1969 | 1,010,681,529 | | 1968 | 988,304,164 | | 1967 | 967,229,560 | | 1966 | 946,881,212 | | 1965 | 925,558,593 | | 1964 | 906,312,840 | | 1963 | 892,722,769 | | 1962 | 878,432,052 | | 1961 | 873,180,163 | | 1960 | 878,062,291 |
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