Year	Percent
2000-01-01	22.43433
2001-01-01	24.85961
2002-01-01	26.71672
2003-01-01	33.38730
2004-01-01	38.29983
2005-01-01	46.89954
2006-01-01	50.23011
2007-01-01	49.17299
2008-01-01	50.94756
2009-01-01	64.50172
2010-01-01	45.31473