Year Dollars 1992-01-01 128913 1997-01-01 605762 2002-01-01 381441 2003-01-01 646887 2004-01-01 559706 2005-01-01 957810 2006-01-01 362471 2007-01-01 439476 2008-01-01 1396019 2009-01-01 1332182 2010-01-01 1619550 2011-01-01 1559277 2012-01-01 548671 2013-01-01 1687932 2014-01-01 2093502 2015-01-01 523069 2016-01-01 2031777