1970

7.0

2006

7.5

1972

6.0

1995

8.0

1992

7.0

1960

6.4

1959

7.8

1999

7.5

1993

7.9

2007

2.0

1952

6.0

1964

6.2

1978

7.2

1955

6.6

1998

6.2

1950

6.0

1939

5.0

1941

7.2

1975

8.0

1968

6.0