Year Dollars 1992-01-01 326830 1997-01-01 774233 2002-01-01 1725941 2003-01-01 1474640 2004-01-01 437523 2005-01-01 818052 2006-01-01 1232264 2007-01-01 5701888 2008-01-01 4906588 2009-01-01 4270353 2010-01-01 6119631 2011-01-01 17265490 2012-01-01 9001072 2013-01-01 13130217 2014-01-01 11859185 2015-01-01 4837425 2016-01-01 3202525