Year current US$ 1990 49439803.8817324 1991 51493199.1066519 1992 57334627.9934843 1993 67445933.0372194 1994 82736824.8267426 1995 106092760.102737 1996 116355480.2236 1997 120031728.419373 1998 135412475.49249 1999 154611275.389635 2000 175221610.275454 2001 162047121.646784 2002 167267927.880289 2003 220425136.599268 2004 223933715.679462 2005 249414165.838771 2006 244502181.197716 2007 267576256.932393 2008 212018146.027929 2009 206854896.293682 2010 232341115.560926 2011 259208671.084191 2012 371597781.726838 2013 439625262.609906 2014 573749729.372404 2015 662074504.712077 2016 785026598.555717 2017 1216055516.67605 2018 1290547827.68104 2019 1497402020.67715 2020 1788278346.01572 2021 1752641167.79016