1995

5.6

1987

5.2

1959

6.1

2005

5.2

1986

6.2

2005

6.4

1989

5.5

1996

5.8

1933

6.2

1988

7.3

1935

6.6

2014

5.7

2013

6.7

2007

6.7

1990

6.1

2003

6.8

1976

6.2

1957

6.7

2019

5.4

1993

7.0