Year Dollars 1992-01-01 823814 1997-01-01 170072 2002-01-01 320181 2003-01-01 193643 2004-01-01 93058 2005-01-01 135728 2012-01-01 232210 2014-01-01 343943 2015-01-01 91211 2016-01-01 37747