2002

6.0

2005

5.9

2005

6.7

2017

6.8

1977

7.7

1983

7.4

2005

6.2

2001

7.0

1997

6.3

1963

6.7

2006

5.2

1969

0.0

2006

6.2

1997

6.1

1993

6.4

1983

5.7

2020

8.2

2010

6.9

1979

0.0

2008

4.0