1974

7.5

1953

7.7

1943

8.2

2014

6.6

2015

7.0

1998

6.8

2006

6.9

2006

6.3

2006

7.5

2019

7.7

2002

7.1

1975

7.4

1999

7.4

2016

6.5

2020

6.7

2008

7.6

1938

5.0

0.0

2017

7.4

2007

6.3