2006

4.5

1978

5.5

1995

3.5

1926

6.4

1924

7.6

1928

7.3

1987

4.0

1974

5.8

1988

5.7

1984

5.9

2005

5.3

1981

5.2

2006

6.7

1971

6.7

1982

5.5

2017

7.5

1922

7.7

2007

6.2

1995

7.3

2004

6.6