Year	Dollars
1992-01-01	3113153
1997-01-01	15746790
2002-01-01	12054946
2003-01-01	7892730
2004-01-01	7686336
2005-01-01	11428235
2006-01-01	7895890
2007-01-01	16636483
2008-01-01	19858910
2009-01-01	8158375
2010-01-01	15391158
2011-01-01	14777925
2012-01-01	22343120
2013-01-01	31487924
2014-01-01	59092856
2015-01-01	51786844
2016-01-01	63268955