2010

6.3

1989

5.9

2005

7.4

1967

7.1

2007

6.9

2016

7.5

1986

8.0

2019

7.7

1974

7.7

2014

7.1

1998

8.2

2012

5.6

2012

6.0

1983

6.0

1995

7.8

1975

6.9

2004

6.8

2009

7.4

2002

6.1

2023

7.7