Year Dollars 1992-01-01 128964 1997-01-01 149918 2002-01-01 451013 2003-01-01 269766 2004-01-01 491349 2005-01-01 479131 2006-01-01 276205 2007-01-01 541364 2008-01-01 328940 2009-01-01 1536290 2010-01-01 364621 2011-01-01 200289 2012-01-01 393648 2013-01-01 244400 2014-01-01 201677 2015-01-01 311433 2016-01-01 341757