75.9	2008
67.5	2006
67.4	1997
66.4	2007
63.0	1999
62.5	1998
62.1	2003
61.5	1989
61.1	2005
60.3	1991
60.2	1985
60.1	2004
59.2	1996
57.1	1995
56.3	1990
55.5	1983
54.4	1979
53.4	2000
52.6	2002
52.0	1992
51.5	2001
50.5	1994
48.8	1984
47.7	1981
47.5	1980
46.7	1978
46.6	1988
46.6	1987
43.0	1986
42.4	1977
42.4	1993
38.4	1982
33.6	1976
30.5	1975