Year current US$ 1990 16887689433.2193 1991 13448404308.9399 1992 18188029713.6578 1993 16707453336.3548 1994 17810226087.9954 1995 23428188034.6801 1996 24564046050.5477 1997 24207356864.8716 1998 24539219836.5486 1999 25076476597.4139 2000 23473334573.4402 2001 25136118810.4147 2002 25615760204.6841 2003 30454310019.7076 2004 36997282414.5331 2005 40536592911.6387 2006 46271606787.0203 2007 48281877467.6909 2008 48119897144.236 2009 35304006812.9608 2010 43564163948.4927 2011 50377810358.3774 2012 42955241138.7722 2013 57538564202.6636 2014 63946691832.9894 2015 55690746528.795 2016 59821902668.2636 2017 67264951723.2795 2018 67331372385.7667 2019 65989098214.3447 2020 68191661501.1258 2021 84332741887.7581