Year Dollars 2003-01-01 628046 2004-01-01 770787 2006-01-01 206208 2007-01-01 1878958 2010-01-01 3729616 2011-01-01 22089967 2012-01-01 8100551 2013-01-01 7657580 2014-01-01 1729313 2015-01-01 5112455 2016-01-01 321727