Year Dollars 1992-01-01 8924973 2006-01-01 14888873 2007-01-01 28982533 2009-01-01 1124802 2010-01-01 3772352 2011-01-01 5839817 2012-01-01 4729564 2013-01-01 6718142 2014-01-01 10303318 2015-01-01 2521192 2016-01-01 9658602