Year Dollars 1992-01-01 13647880 1997-01-01 20627197 2002-01-01 67376128 2003-01-01 55565297 2004-01-01 38172401 2005-01-01 46835887 2006-01-01 52884764 2007-01-01 67890861 2008-01-01 94262255 2009-01-01 40548380 2010-01-01 79051607 2011-01-01 59946256 2012-01-01 50041579 2013-01-01 55114510 2014-01-01 60923839 2015-01-01 41785593 2016-01-01 45329636