Year Dollars 1992-01-01 78893807 1997-01-01 266142865 2002-01-01 214198139 2003-01-01 196376712 2004-01-01 247689821 2005-01-01 221059104 2006-01-01 242601689 2007-01-01 301296630 2008-01-01 322316417 2009-01-01 312794231 2010-01-01 291860427 2011-01-01 277810710 2012-01-01 324331932 2013-01-01 338923455 2014-01-01 308191572 2015-01-01 409617778 2016-01-01 257249367