Year current US$ 1975 790000.021457672 1980 699999.988079071 1981 879999.995231628 1982 1120000.00476837 1983 800000.011920929 1984 699999.988079071 1985 3150000.09536743 1986 519999.980926514 1987 850000.023841858 1988 660000.026226044 1989 1879999.99523163 1990 1870000.00476837 1991 1500000 1992 1409999.9666214 1993 2049999.9523162802 1994 4389999.8664856 1995 3480000.01907349 1996 2519999.98092651 1997 1690000.0572204601 1998 2250000 1999 1330000.04291534 2000 709999.978542328 2001 9609999.65667725 2002 11859999.6566772 2003 12449999.8092651 2004 15029999.7329712 2005 17709999.084472697 2006 14619999.8855591 2007 19540000.915527303 2008 19899999.6185303 2009 49810001.373291 2010 58560001.373291 2011 65730003.356933594 2012 67580001.8310547 2013 49650001.5258789 2014 38419998.1689453 2015 21219999.3133545 2016 36610000.6103516 2017 21409999.8474121 2018 9840000.15258789 2019 10560000.4196167 2020 7340000.15258789 2021 44479999.5422363 2022 19680000.3051758