Year Dollars 1997-01-01 1292100 2002-01-01 5356330 2003-01-01 8785184 2004-01-01 12366854 2005-01-01 7667077 2006-01-01 11968161 2007-01-01 34023201 2008-01-01 79733974 2009-01-01 55269390 2010-01-01 81289348 2011-01-01 80535935 2012-01-01 107356161 2013-01-01 62958617 2014-01-01 63565554 2015-01-01 173043606 2016-01-01 47115775