Year	US Dollars
1983	-86200000
2004	-147714385.89697
2005	-145727926.26244
2006	-147687784.59811
2007	-136188377.3094
2008	-160454459.94334
2009	-178584157.86444
2010	-170440274.91179
2011	-178683486.5807
2012	-168872942.48162
2013	-166964740.45383
2014	-150484775.06695
2015	-161414280.00542
2016	-151039738.58757