1955

7.5

1950

8.1

1950

8.1

1932

7.0

1919

6.9

1975

7.5

1978

0.0

1978

0.0

1972

7.4

1966

7.0

2008

6.9

1995

6.3

1963

0.0

2015

4.5

1964

7.6

1985

5.5

1983

4.5

2002

0.0

1998

6.3

1990

6.9