Year constant 2010 US$ 1989 209565434.63401 1990 195494786.352544 1991 186526892.008639 1992 170350627.213823 1993 164684639.308855 1994 169358974.946004 1995 177292966.306695 1996 197447979.697624 1997 179850539.956803 1998 177453563.714903 1999 200727429.805616 2000 216655723.542117 2001 188123974.082073 2002 175365874.730022 2003 225625053.99568 2004 247352483.801296 2005 233434557.235421 2006 258564146.868251 2007 226011663.066955 2008 209464794.816415 2009 196938660.907127 2010 214800000 2011 215418574.514039 2012 244182289.416847 2013 225547732.181426 2014 239388336.933045 2015 167015118.790497 2016 237223326.133909 2017 171577105.831533