Year Dollars 1992-01-01 1549692 1997-01-01 10814243 2002-01-01 3248808 2003-01-01 3258641 2005-01-01 3989297 2006-01-01 5226324 2007-01-01 1845915 2008-01-01 2513734 2009-01-01 714741 2010-01-01 1066452 2011-01-01 5948089 2012-01-01 1565598 2013-01-01 2861485 2014-01-01 1305753 2015-01-01 1355205 2016-01-01 1499039