2003

4.0

1972

7.7

2006

7.1

1991

6.2

1993

5.0

2020

4.9

1992

7.4

1980

6.2

2002

6.0

2017

4.6

1973

7.4

2006

6.7

1956

6.2

2004

6.1

1924

3.5

1990

6.9

1944

7.2

1994

6.3

1997

6.7

1974

5.2