Year Dollars 1992-01-01 2536093 1997-01-01 5880086 2002-01-01 16207488 2003-01-01 17989955 2004-01-01 22034290 2005-01-01 75874414 2006-01-01 37671913 2007-01-01 28008981 2008-01-01 36863987 2009-01-01 29884358 2010-01-01 22406648 2011-01-01 20954068 2012-01-01 19166547 2013-01-01 25501812 2014-01-01 32583484 2015-01-01 46129883 2016-01-01 42668432