Year Dollars 1997-01-01 258832 2002-01-01 632236 2003-01-01 658921 2004-01-01 2977718 2006-01-01 65466 2007-01-01 239237 2008-01-01 49546 2009-01-01 468533 2010-01-01 83025 2012-01-01 148596 2014-01-01 483591 2015-01-01 333261 2016-01-01 65301