Year Dollars 1992-01-01 71499 1997-01-01 237971 2002-01-01 1123461 2003-01-01 428809 2004-01-01 5308222 2005-01-01 1088037 2006-01-01 3431582 2007-01-01 7125643 2008-01-01 9890507 2009-01-01 2932670 2010-01-01 1973535 2011-01-01 4198396 2012-01-01 4365459 2013-01-01 3666763 2014-01-01 3755670 2015-01-01 14680012 2016-01-01 4020366