2006

7.9

1992

6.9

2007

7.5

2022

7.2

2018

7.1

2018

7.7

2016

8.6

2009

6.8

1983

8.0

1997

7.5

1989

8.0

2009

6.3

2011

8.2

2011

7.2

2008

8.4

2025

7.1

2015

6.9

2014

6.8

2004

5.4

1974

7.6