1984

8.1

1959

7.9

2001

6.9

1979

7.7

1977

7.7

1968

7.1

2004

5.6

2004

8.1

1998

8.3

1994

7.5

2005

7.4

1984

6.3

1965

5.0

2014

6.6

1931

8.3

1989

7.8

1925

8.0

2002

7.2

1994

7.0

2003

7.1