Year Dollars 1992-01-01 614539 1997-01-01 838558 2002-01-01 727026 2003-01-01 1116922 2004-01-01 1635902 2005-01-01 2105534 2006-01-01 4612571 2007-01-01 3477155 2008-01-01 3736416 2009-01-01 3290323 2010-01-01 5070604 2011-01-01 9125161 2012-01-01 6565422 2013-01-01 11749576 2014-01-01 53075845 2015-01-01 11614256 2016-01-01 4696698