2005

6.5

1965

7.0

1967

6.5

2003

5.3

1963

6.8

2007

5.0

1989

6.7

1941

6.3

2006

5.8

2004

7.7

1937

7.2

2018

7.1

2015

8.0

2007

7.4

2006

6.7

1989

7.0

2000

5.4

1972

6.0

2013

5.2

1997

5.0