Year Dollars 1992-01-01 11387342 1997-01-01 15544101 2002-01-01 22261658 2003-01-01 18254481 2004-01-01 32218246 2005-01-01 30905576 2006-01-01 37476376 2007-01-01 42075568 2008-01-01 52638569 2009-01-01 70795443 2010-01-01 56666879 2011-01-01 79629735 2012-01-01 64969852 2013-01-01 74060496 2014-01-01 57839784 2015-01-01 50663165 2016-01-01 29876074