2013

6.1

2002

6.1

2008

5.6

2005

6.0

1983

7.4

2011

7.0

1979

8.1

2023

0.0

1970

6.4

2007

8.4

2012

6.0

2020

7.0

1997

6.7

2004

6.8

1994

7.1

2013

5.9

2011

7.1

2004

7.3

1958

5.0