1969

6.5

1977

5.6

1973

6.5

1978

3.0

1973

4.0

1971

6.6

1972

6.7

2017

6.2

1972

6.0

1970

7.2

1993

5.1

1986

5.4

2001

5.5

1971

6.7

1970

5.8

1971

6.7

1999

0.0

1971

6.3

1989

5.4

1972

5.8