Year current US$ 1995 17100000.3814697 1996 16000000 1997 9699999.80926514 1998 7099999.90463257 1999 9699999.80926514 2000 4000000 2001 8800000.19073486 2002 800000.011920929 2003 1600000.02384186 2004 3519999.98092651 2005 6400000.09536743 2006 30899999.6185303 2007 33099998.4741211 2008 31200000.762939498 2009 39299999.237060495 2010 50799999.237060495 2011 65900001.525878906 2012 65400001.525878906 2013 70500000 2014 64800003.0517578 2015 60000000 2016 71000000 2017 79000000 2018 92000000 2019 82000000 2020 7000000