2008

7.2

1936

6.1

1997

5.1

1963

7.9

2020

5.2

2007

6.5

2002

5.8

2005

6.3

1981

6.3

1969

6.6

2005

7.8

2011

6.1

1998

4.2

2014

6.2

1942

6.3

1975

6.1

2006

6.8

2017

5.5

1969

6.4

1985

6.8