Year Dollars 1997-01-01 329074 2002-01-01 8995319 2003-01-01 11138200 2004-01-01 11651083 2005-01-01 7473800 2006-01-01 11208282 2007-01-01 22306731 2008-01-01 78436127 2009-01-01 20492205 2010-01-01 18715123 2011-01-01 8954138 2012-01-01 7604984 2013-01-01 15768961 2014-01-01 8523309 2015-01-01 8161398 2016-01-01 8027779