1958

7.7

1979

6.1

1960

4.4

1971

6.6

1966

5.1

1971

7.2

1974

0.0

1979

4.2

1966

6.1

1974

4.9

1960

4.0

1967

5.3

1964

5.3

1975

7.5

1972

4.4

1971

6.8

1960

5.5

1959

5.0

1966

7.3

1973

4.0

1963

3.6

1966

8.5

1963

7.3

1967

6.1

1971

6.3

1968

6.8

1964

4.6

1965

4.8