Year Dollars 1997-01-01 187295 2002-01-01 170966 2003-01-01 315973 2005-01-01 563919 2006-01-01 122564 2007-01-01 420361 2008-01-01 434265 2009-01-01 432666 2011-01-01 986061 2012-01-01 759262 2013-01-01 659357 2014-01-01 314172 2015-01-01 647644 2016-01-01 683305