1985

7.5

2002

6.3

1988

6.3

1994

7.4

1935

7.4

1966

6.6

1964

7.1

1992

5.4

1993

4.9

1946

7.2

2004

6.7

1995

6.2

1974

6.5

1990

6.1

2010

6.3

1965

6.7

2009

6.0

2006

5.8

1924

7.1

1939

7.9