1967

0.0

1963

5.7

2007

5.5

1994

4.9

1994

4.6

1973

6.7

1967

6.9

1968

5.4

1997

1.0

1979

6.8

1974

7.6

1984

7.5

1973

6.9

1959

5.6

1975

5.3

1962

5.9

1967

7.6

1966

7.2

1983

3.3

2000

7.1

1975

7.0