1968

4.5

1979

8.0

1969

4.6

1971

3.4

1994

5.2

1994

5.7

1994

5.5

1955

6.6

1969

4.4

1967

6.7

1973

6.9

1983

5.0

1965

7.2

1974

6.3

1968

6.3

1982

6.7

1965

6.0

1965

5.7

1968

6.3

1965

7.1

1967

3.0