Year Dollars 2002-01-01 2181759 2003-01-01 2085180 2004-01-01 5078355 2005-01-01 3910652 2006-01-01 2958680 2007-01-01 6265698 2008-01-01 6630571 2009-01-01 3516380 2010-01-01 8481233 2011-01-01 10673026 2012-01-01 17324034 2013-01-01 16570118 2014-01-01 15869605 2016-01-01 50925987