Year Dollars 1992-01-01 15030466 1997-01-01 56384880 2002-01-01 20477099 2003-01-01 22790588 2004-01-01 19584930 2005-01-01 28227247 2006-01-01 109541684 2007-01-01 178328269 2008-01-01 194070392 2009-01-01 104971591 2010-01-01 92680741 2011-01-01 63342104 2012-01-01 41952942 2013-01-01 55208986 2014-01-01 69161961 2015-01-01 59290295 2016-01-01 39638240