1965

6.3

1968

6.4

2004

3.7

1974

7.2

1994

6.1

1968

7.5

1994

6.9

1970

7.5

1950

7.3

1942

0.0

1944

6.5

1943

7.7

1973

6.8

1956

0.0

2007

7.2

1946

7.4

1954

6.7

1993

7.6

1941

0.0

1991

5.4