2006

6.3

2006

7.0

2007

6.9

2008

6.4

1971

6.7

1993

5.3

2010

6.3

2002

6.8

2023

3.5

1983

5.6

2004

6.8

2015

6.3

2020

5.0

1994

6.6

2013

6.7

1995

7.3

1962

7.0

1963

7.1

1967

6.6

1977

6.8