Year Dollars 1992-01-01 19942628 1997-01-01 26639037 2002-01-01 36432886 2003-01-01 52357185 2004-01-01 64544194 2005-01-01 51961319 2006-01-01 100371584 2007-01-01 135395289 2008-01-01 76130645 2009-01-01 106254298 2010-01-01 81680430 2011-01-01 88165176 2012-01-01 158991937 2013-01-01 201761047 2014-01-01 170262626 2015-01-01 100740961 2016-01-01 75371893