Year Dollars 1992-01-01 6264776 1997-01-01 22908724 2002-01-01 25565998 2003-01-01 34389030 2004-01-01 36973508 2005-01-01 85780348 2006-01-01 55342347 2007-01-01 79517127 2008-01-01 71726850 2009-01-01 90797690 2010-01-01 73247538 2011-01-01 67145298 2012-01-01 76877038 2013-01-01 98467768 2014-01-01 64727791 2015-01-01 80365881 2016-01-01 94504459