1971

7.5

2014

8.7

1967

7.3

2009

7.2

2014

5.9

1958

0.0

2007

6.8

2020

8.0

1939

7.6

2006

4.5

1944

7.0

1999

6.8

2016

5.9

1989

7.3

1991

7.7

2017

7.4

1997

7.6

1993

7.8

1976

6.6

1994

8.3