Year	Percent
1984-01-01	0.145025000000000000
1985-01-01	0.132694000000000000
1986-01-01	0.173790000000000000
1987-01-01	0.039320999999999995
1988-01-01	0.039320999999999995
1989-01-01	0.227577000000000000
1990-01-01	0.534389000000000000
1991-01-01	1.132410000000000100
1992-01-01	0.618263000000000000
1993-01-01	0.647772000000000000
1994-01-01	0.539424000000000000
1995-01-01	0.728209000000000000
1996-01-01	16.714300000000000000
1997-01-01	19.065400000000000000
1998-01-01	15.339100000000000000
1999-01-01	12.518500000000000000
2000-01-01	13.699700000000000000