Year Dollars 1992-01-01 2229347 2006-01-01 39717376 2007-01-01 153104237 2008-01-01 55989579 2009-01-01 10767501 2010-01-01 14555243 2011-01-01 14710057 2012-01-01 10410842 2013-01-01 11269567 2014-01-01 22019833 2015-01-01 12285318 2016-01-01 14819946