Year Dollars 2006-01-01 124525 2007-01-01 415566 2008-01-01 967761 2009-01-01 5249085 2010-01-01 3515761 2011-01-01 718602 2012-01-01 2150304 2013-01-01 2575341 2014-01-01 1400778 2015-01-01 355344 2016-01-01 293364