Year Dollars 1992-01-01 591596 2009-01-01 4695350 2010-01-01 6048824 2011-01-01 6891414 2012-01-01 3130774 2013-01-01 5684699 2014-01-01 7157052 2015-01-01 3917465 2016-01-01 2116145