Year constant 2010 US$ 1995 74262480.5287683 1996 71465161.857417 1997 65422440.8337694 1998 74996600.1146246 1999 69292753.8187436 2000 73970428.3222447 2001 71484649.4430739 2002 72913390.2868107 2003 74663087.7426429 2004 68996777.9372555 2005 72003097.6950487 2006 71949474.1372007 2007 75743275.4603673 2008 76317701.4751688 2009 76435804.0916 2010 73481800 2011 81841189.5118487 2012 80421603.9096957 2013 75238821.6490992 2014 79740323.1466946 2015 88256528.8679574 2016 81830334.0111136