Year Dollars 1992-01-01 1559735 1997-01-01 4074197 2002-01-01 3599133 2003-01-01 1980915 2004-01-01 2870999 2005-01-01 2534193 2006-01-01 3788022 2007-01-01 3812581 2008-01-01 3386128 2009-01-01 5652212 2010-01-01 5166328 2011-01-01 27077945 2012-01-01 28483473 2013-01-01 9663730 2014-01-01 7044901 2015-01-01 5846856 2016-01-01 11099727