2004

6.7

2019

8.1

1991

8.3

1939

7.9

1995

6.9

1940

7.4

2017

7.6

1986

7.1

2015

7.3

2007

7.2

1972

8.7

1951

7.2

1993

8.0

2020

7.2

2005

7.8

1968

8.1

2012

7.7

1959

6.9

2008

7.8

1940

7.1