Year	Percent
2000-01-01	61.38155
2001-01-01	48.87856
2002-01-01	39.66934
2003-01-01	33.39843
2004-01-01	24.46880
2005-01-01	27.71338
2006-01-01	29.70440
2007-01-01	33.04625
2008-01-01	34.70116
2009-01-01	33.68782
2010-01-01	35.78375