Year Dollars 1992-01-01 11185153 2003-01-01 601681 2004-01-01 1972496 2005-01-01 1644755 2006-01-01 2546551 2007-01-01 2336812 2008-01-01 3623848 2009-01-01 2574148 2010-01-01 9416099 2011-01-01 4219808 2012-01-01 3904997 2013-01-01 3822629 2014-01-01 6272488 2015-01-01 7684456 2016-01-01 4434773