2008

6.2

1971

7.0

1945

6.8

2019

6.8

1987

8.1

2008

7.6

1997

7.9

2015

7.6

2017

7.3

2012

7.1

2000

7.4

2015

7.6

2014

8.5

2006

8.0

2014

6.1

1990

7.5

2018

8.2

2010

8.2

1979

8.3

1996

8.0