Year	Percent
1989-01-01	16.051700000000000
1990-01-01	16.051700000000000
1991-01-01	16.051700000000000
1992-01-01	16.051700000000000
1993-01-01	25.122900000000000
1994-01-01	18.819400000000000
1995-01-01	54.423100000000000
1996-01-01	111.322000000000000
1997-01-01	136.975000000000000
1998-01-01	35.835200000000000
1999-01-01	32.989500000000000
2000-01-01	21.529300000000000
2001-01-01	5.588300000000000
2002-01-01	8.259030000000001
2003-01-01	12.093600000000000
2004-01-01	72.631400000000000
2005-01-01	104.722000000000010
2006-01-01	54.702900000000000
2007-01-01	76.822000000000000
2008-01-01	78.430000000000000
2009-01-01	71.698900000000000
2010-01-01	39.028900000000000
2011-01-01	19.039800000000000
2012-01-01	23.288800000000000