Year Dollars 1992-01-01 29412288 1997-01-01 35896941 2002-01-01 36991630 2003-01-01 26201870 2004-01-01 28347756 2005-01-01 27567856 2006-01-01 19958353 2007-01-01 30846488 2008-01-01 58727150 2009-01-01 35380090 2010-01-01 35358042 2011-01-01 29658089 2012-01-01 221879829 2013-01-01 105401236 2014-01-01 45136378 2015-01-01 37271871 2016-01-01 48345141