1952

6.8

1960

0.0

1950

8.1

1950

8.1

1972

7.4

1966

7.0

1981

0.0

1939

4.0

2015

5.8

1984

5.0

1933

6.2

1967

6.8

2015

6.8

1964

0.0

1954

6.8

1981

0.0

1978

0.0

1975

0.0

2008

6.9

1932

7.0