2006

6.0

2007

5.2

2009

6.0

2009

5.5

2008

6.2

1965

7.2

2013

0.0

2020

6.3

2005

6.7

1986

7.6

1995

8.4

1990

8.5

1997

6.6

1958

7.4

1990

7.3

2005

7.0

1975

0.0

1972

7.1

2017

2.0

1991

8.3