Year current US$ 1975 29999.999329447703 1979 35630001.0681152 1980 18809999.4659424 1984 79999.9982118607 1985 569999.992847443 1986 340000.00357627904 1987 340000.00357627904 1988 3329999.92370605 1989 1250000 1990 1100000.02384186 1991 3789999.96185303 1992 15689999.5803833 1993 17010000.2288818 1994 11390000.3433228 1995 33020000.4577637 1996 52580001.8310547 1997 32930000.305175804 1998 32900001.5258789 1999 27489999.7711182 2000 26139999.3896484 2001 24190000.5340576 2002 27780000.6866455 2003 15380000.1144409 2004 11789999.961853001 2005 20250000 2006 28770000.4577637 2007 44840000.1525879 2008 37459999.0844727 2009 43080001.8310547 2010 27309999.4659424 2011 52549999.237060495 2012 41389999.3896484 2013 30569999.6948242 2014 55110000.6103516 2015 45229999.5422363 2016 62740001.6784668 2017 51430000.3051758 2018 89779998.7792969 2019 65809997.55859381 2020 139619995.117188 2021 105620002.746582 2022 78709999.0844727