Year Dollars 1992-01-01 1406226 1997-01-01 2798662 2002-01-01 4627132 2003-01-01 4379253 2004-01-01 5486168 2005-01-01 3244054 2006-01-01 5120160 2007-01-01 6783240 2008-01-01 4429390 2009-01-01 5194058 2010-01-01 5150483 2011-01-01 12199522 2012-01-01 6418165 2013-01-01 5655073 2014-01-01 14489324 2015-01-01 4308928 2016-01-01 6109368