Year Dollars 1992-01-01 5665712 1997-01-01 1782667 2003-01-01 5262534 2006-01-01 19217811 2007-01-01 25149124 2008-01-01 19655941 2009-01-01 9538432 2010-01-01 10457918 2011-01-01 19074934 2012-01-01 13302778 2013-01-01 8335602 2014-01-01 11274886 2015-01-01 10226758 2016-01-01 7348304