Year	Percent
1989-01-01	0.13832400000000000
1990-01-01	0.22732199999999997
1991-01-01	0.86566400000000000
1992-01-01	1.70023000000000000
1993-01-01	2.74773000000000000
1994-01-01	3.55905999999999970
1995-01-01	3.89115000000000000
1996-01-01	3.86895000000000000
1997-01-01	4.59860000000000000
1998-01-01	8.65045000000000000
1999-01-01	7.03905000000000000
2000-01-01	6.52251000000000000
2001-01-01	7.40031000000000000
2002-01-01	6.92511000000000100
2003-01-01	5.76268000000000050
2004-01-01	5.19278000000000000
2005-01-01	5.49084000000000000
2006-01-01	5.10821999999999900
2007-01-01	5.09790000000000000
2008-01-01	7.16663000000000050
2009-01-01	11.92890000000000000
2010-01-01	16.98000000000000000