2008

7.6

2021

6.6

2006

6.2

2015

7.8

2012

6.9

1976

5.5

2016

5.9

2008

7.1

1984

7.1

2002

6.4

1946

8.3

2020

7.0

1995

6.1

2014

6.2

1980

5.8

2012

6.6

1996

6.3

2020

6.4

2009

7.7

2005

5.8