1985

6.5

2018

6.2

2008

7.5

1941

7.0

2003

6.7

2019

6.5

1994

6.7

1989

5.3

1964

7.0

2008

6.7

1966

7.3

1993

7.8

1924

8.1

1986

7.1

2012

5.0

1933

6.9

1987

6.1

2008

6.3

1982

5.2

2017

5.8