Year current US$ 1995 6800000.19073486 1996 8899999.61853027 1997 11699999.8092651 1998 11300000.1907349 1999 4300000.19073486 2004 11899999.6185303 2005 20299999.237060502 2006 21200000.762939498 2007 19799999.237060502 2008 21600000.3814697 2009 20000000 2010 25200000.762939498 2011 22299999.237060502 2012 22299999.237060502 2013 13899999.6185303 2014 4099999.90463257 2015 2900000.09536743 2016 2099999.90463257 2017 3900000.09536743 2018 4099999.90463257 2019 5199999.80926514 2020 1799999.95231628