Year Dollars 1992-01-01 291793 2004-01-01 365010 2008-01-01 17984160 2010-01-01 9837237 2012-01-01 11829822 2013-01-01 5421258 2014-01-01 3532041 2015-01-01 2220937 2016-01-01 14128396