Year Dollars 1992-01-01 1082087 1997-01-01 2644176 2002-01-01 3665573 2003-01-01 2271704 2004-01-01 3217280 2005-01-01 3917688 2006-01-01 12789426 2007-01-01 5293736 2008-01-01 5734320 2009-01-01 4753860 2010-01-01 1602761 2011-01-01 7805209 2016-01-01 196873