2015

7.0

2006

7.9

2008

5.5

1981

6.0

1998

7.2

2004

8.3

1995

7.2

2001

7.7

2010

7.5

1986

6.5

2023

8.0

2013

1.7

2018

6.0

1987

5.0

2009

9.0

1962

7.8

2021

7.5

2013

7.0