Year current US$ 1995 14719201.12 1996 12529978.440000001 1997 23920409.19 1998 29008895.81 1999 29275388.86 2000 172998706 2001 148853751 2002 128361008 2003 82190158 2004 79555449 2005 106204891 2006 108964809 2007 97892757 2008 98608225 2009 135179344 2010 124520793 2011 151318100 2012 172955792 2013 167753248 2014 110834716 2015 79449757 2016 94128679 2017 88833327 2018 69470373 2019 79939162 2020 65930885