Year Dollars 1992-01-01 1991457 1997-01-01 1674256 2002-01-01 1072339 2003-01-01 1794465 2004-01-01 1871274 2005-01-01 1376322 2006-01-01 1556995 2007-01-01 3845760 2008-01-01 2044500 2009-01-01 2451158 2010-01-01 2200218 2011-01-01 2508246 2012-01-01 4032148 2013-01-01 11493442 2014-01-01 13255309 2015-01-01 5418375 2016-01-01 5817366