1974

0.0

1977

4.8

1964

5.9

1973

4.2

1993

6.0

1997

6.5

1990

7.7

1972

6.4

1978

7.0

1968

6.8

1965

6.3

1974

0.0

1965

5.0

2000

7.1

1971

6.1

1972

4.0

1972

4.2

1969

4.0