Year Dollars 2002-01-01 21610019 2003-01-01 20514194 2004-01-01 20284580 2005-01-01 20020762 2006-01-01 27577290 2007-01-01 33828696 2008-01-01 23850803 2009-01-01 20965624 2010-01-01 25499213 2011-01-01 9740039 2012-01-01 21248606 2013-01-01 19516681 2014-01-01 20491041 2015-01-01 7915917 2016-01-01 8180143