Year	Percent
1974-01-01	4.367180000000000
1975-01-01	3.819500000000000
1976-01-01	4.377900000000000
1977-01-01	4.576309999999999
1978-01-01	7.518140000000000
1979-01-01	11.937999999999999
1980-01-01	108.647000000000000
1981-01-01	108.647000000000000
1982-01-01	108.647000000000000
1983-01-01	108.647000000000000
1984-01-01	108.647000000000000
1985-01-01	108.647000000000000
1986-01-01	108.647000000000000
1987-01-01	108.647000000000000
1988-01-01	108.647000000000000
1989-01-01	108.647000000000000
1990-01-01	108.647000000000000
1991-01-01	108.647000000000000
1992-01-01	108.647000000000000
1993-01-01	108.647000000000000
1994-01-01	108.647000000000000
1995-01-01	108.647000000000000
1996-01-01	108.647000000000000
1997-01-01	108.647000000000000
1998-01-01	108.647000000000000
1999-01-01	108.647000000000000
2000-01-01	108.647000000000000
2001-01-01	108.647000000000000
2002-01-01	153.075000000000000
2003-01-01	234.045000000000000
2004-01-01	210.331000000000000
2005-01-01	184.805999999999980
2006-01-01	170.572000000000000
2007-01-01	146.636000000000000
2008-01-01	140.388000000000000
2009-01-01	100.952999999999990