Year Dollars 1992-01-01 189282 1997-01-01 763141 2002-01-01 5084854 2003-01-01 6488183 2004-01-01 6389574 2005-01-01 7205494 2006-01-01 4740190 2007-01-01 8025026 2008-01-01 25240197 2009-01-01 9368868 2010-01-01 10867268 2011-01-01 16832924 2012-01-01 13282975 2013-01-01 19734877 2014-01-01 18706255 2015-01-01 26976089 2016-01-01 24661952