Year Dollars 2006-01-01 79013 2007-01-01 730011 2008-01-01 587472 2009-01-01 1083593 2011-01-01 338411 2012-01-01 552694 2013-01-01 2242620 2014-01-01 3824197 2015-01-01 4516964 2016-01-01 643044