2015

8.4

2012

7.7

2001

7.4

1988

6.7

2011

9.1

2011

9.5

2024

6.5

1949

8.0

2012

9.4

1991

7.0

2013

8.4

2020

7.0

2008

5.7

2012

9.7

2014

6.5

2018

6.2

1967

6.4

2004

3.9

2008

7.7

1984

7.2