2000

7.2

1987

7.5

2004

5.8

2011

5.5

2007

6.7

2016

6.5

1982

6.7

2008

6.5

1936

6.3

1953

6.8

1954

7.2

2019

6.8

1970

6.3

1960

7.7

2001

6.4

2002

6.1

1987

6.5

1993

6.9

1961

7.0

1927

7.3