Year Dollars 1992-01-01 707792 1997-01-01 2291988 2002-01-01 2637845 2003-01-01 3666181 2004-01-01 3159527 2005-01-01 2936536 2006-01-01 5278712 2007-01-01 4599488 2008-01-01 3377496 2009-01-01 6765146 2010-01-01 7298333 2011-01-01 10830607 2012-01-01 11046378 2013-01-01 11508382 2014-01-01 9063426 2015-01-01 9495540 2016-01-01 7247463