Year Dollars 1997-01-01 12023634 2002-01-01 1881967 2003-01-01 1975190 2004-01-01 2581612 2005-01-01 1737962 2006-01-01 2068968 2007-01-01 3375544 2008-01-01 2501060 2009-01-01 4263186 2010-01-01 5073583 2011-01-01 8244064 2012-01-01 9270523 2013-01-01 7499528 2014-01-01 4209154 2016-01-01 10588294