Annual (Financial)	Percent
1976-03-31	57.6
1977-03-31	57.8
1978-03-31	57
1979-03-31	54.4
1980-03-31	50.3
1981-03-31	52.7
1982-03-31	51.2
1983-03-31	49.9
1984-03-31	50.1
1985-03-31	49.6
1986-03-31	48.9
1987-03-31	47.3
1988-03-31	44.5
1989-03-31	38.7
1990-03-31	34.5
1991-03-31	32.3
1992-03-31	33.6
1993-03-31	39
1994-03-31	44.3
1995-03-31	47.5
1996-03-31	49.8
1997-03-31	49.7
1998-03-31	46.8
1999-03-31	44.7
2000-03-31	41.2
2001-03-31	38.3
2002-03-31	36.5