2001

7.7

2004

7.3

2007

6.3

1992

7.7

1981

6.5

1938

7.1

2004

5.1

2022

6.8

2020

7.5

2006

7.8

2006

7.3

1996

6.5

1998

6.2

1985

6.2

2018

6.1

2017

6.8

1995

6.9

1959

6.9

1994

6.6

1990

6.7