Year Dollars 1992-01-01 37728687 1997-01-01 66110048 2002-01-01 51068425 2003-01-01 45426473 2004-01-01 60476463 2005-01-01 76227879 2006-01-01 116603993 2007-01-01 117093376 2008-01-01 195552015 2009-01-01 149951763 2010-01-01 194743334 2011-01-01 223622460 2012-01-01 351305094 2013-01-01 234654253 2014-01-01 237853651 2015-01-01 229784670 2016-01-01 186007903