1969

7.9

1964

6.2

1965

6.3

1964

5.6

1964

7.1

1972

4.6

1968

6.5

1971

0.0

1959

5.8

1966

6.2

1967

3.2

1964

6.8

1973

3.0

1963

7.6

1965

5.6