Year current US$ 1996 25600000.3814697 1997 28600000.3814697 1998 27000000 1999 25100000.3814697 2000 23100000.3814697 2001 30100000.3814697 2002 20200000.762939498 2003 27500000 2004 32299999.2370605 2005 43900001.5258789 2006 39000000 2007 44000000 2008 86000000 2009 69000000 2010 105500000 2011 54000000 2012 51000000 2013 59000000 2014 100000000 2015 80000000 2016 84000000 2017 91000000 2018 114000000 2019 130000000