Annual (Financial) Percent 1976-03-31 54 1977-03-31 52.4 1978-03-31 49.2 1979-03-31 47.3 1980-03-31 44.1 1981-03-31 46.2 1982-03-31 46.4 1983-03-31 44.9 1984-03-31 45.2 1985-03-31 45.4 1986-03-31 43.6 1987-03-31 41.2 1988-03-31 36.9 1989-03-31 30.7 1990-03-31 27.9 1991-03-31 26.3 1992-03-31 27.6 1993-03-31 32.2 1994-03-31 37.5 1995-03-31 41.1 1996-03-31 43.3 1997-03-31 44 1998-03-31 41.9 1999-03-31 39.7 2000-03-31 36.7 2001-03-31 31.3 2002-03-31 30.4