Year Dollars 2002-01-01 266966 2003-01-01 192170 2005-01-01 167590 2006-01-01 231955 2007-01-01 216820 2008-01-01 346354 2009-01-01 166196 2011-01-01 277082 2015-01-01 213738 2016-01-01 372542