Year Dollars 1992-01-01 941159 1997-01-01 1393778 2002-01-01 186573 2003-01-01 2041016 2004-01-01 373156 2005-01-01 549428 2006-01-01 1102773 2007-01-01 1621314 2008-01-01 1470198 2009-01-01 2634149 2010-01-01 2550956 2011-01-01 3218015 2012-01-01 1840578 2013-01-01 4309702 2014-01-01 8717836 2015-01-01 10089236 2016-01-01 6912742