Year	Percent
1997-01-01	2.218736410
1998-01-01	2.311197519
1999-01-01	1.636358500
2000-01-01	0.851956367
2001-01-01	0.599196970
2002-01-01	0.994086504
2003-01-01	1.302747369
2004-01-01	0.960820496
2005-01-01	0.588172257
2006-01-01	0.304086804