1985

6.6

1993

0.0

1974

7.5

1972

8.6

1989

8.1

1984

8.1

1969

7.0

1958

6.7

1975

7.5

1995

0.0

1973

7.0

1960

5.0

1994

6.3

2013

6.8

1974

0.0

1984

6.5

2009

7.3

1987

0.0

1959

5.2

2016

6.9