1977

6.0

1940

5.7

1944

5.6

1973

6.7

2021

6.3

1980

5.9

1963

6.0

1971

4.5

2008

4.4

2004

6.5

2003

3.9

1947

7.1

2003

6.6

1974

6.6

2017

5.0

1992

6.3

1970

5.3

1974

6.2

2005

5.1

1981

3.2