1927

7.8

2006

6.8

1992

7.4

2001

7.3

1995

6.7

1971

7.2

2011

6.4

2016

6.6

1945

8.1

2002

6.7

2014

6.3

1966

7.1

2018

6.1

1995

6.8

1941

7.3

1999

6.0

1953

8.0

2016

6.9

2023

7.0

2018

6.5