1946

7.8

1966

8.0

1940

8.3

2005

7.6

1997

7.2

2018

6.7

2013

8.0

2023

6.6

2016

6.8

2016

7.5

2015

7.2

2013

7.3

2024

6.9

2007

6.5

1997

6.2

1998

6.5

2013

7.1

1996

6.6

2004

7.9

1977

7.1