1981

7.5

1967

4.4

2003

5.6

1979

7.5

1993

7.5

1981

6.6

1925

5.7

1996

7.1

2006

6.0

2002

5.1

1995

7.2

1977

7.7

2004

4.7

1977

6.5

1946

7.3

1941

7.2

1955

7.0

1947

7.3

2017

6.6

1962

7.5