1987

6.5

2004

5.6

1998

5.8

2002

6.2

1955

6.8

1976

6.7

1972

8.0

1966

8.5

2009

5.7

1974

4.5

1998

6.2

1990

5.8

2001

6.2

2010

6.2

1950

6.6

1952

7.1

1937

4.2

2023

7.5

1941

5.8

2009

5.9