Year current US$ 1999 1109098657.5751119 2000 1005159388.2439654 2001 1077413479.0528233 2002 1168269230.7692308 2003 1464326160.815402 2004 1723750000 2005 1785847531.401567 2006 1908167105.758374 2007 2185874623.5970435 2008 2393437820.418925 2009 2056126701.8616283 2010 1881191949.9899755 2011 1813717694.5609193 2012 1604701051.1653028 2013 1678741201.5730956 2014 1673910988.24105 2015 1419400403.8278778 2016 1468342430.7393022 2017 1528621195.4831986 2018 1655354303.8699796 2019 1616188702.3396394 2020 1541247883.9935052 2021 1855382833.1164992