1966

6.0

1973

4.1

1971

5.8

1977

6.9

1969

4.9

1987

3.7

1976

4.9

1974

6.0

1969

7.1

1965

7.4

2007

3.0

1969

0.0

1964

5.8

1965

6.0

1966

6.1

1972

2.0

1970

4.7

1966

3.4

1968

2.0

1975

5.5

1966

7.5

1970

1.0

1965

0.0

1967

3.2

1969

4.0

1979

6.8

1969

5.8

1970

5.7