1955

7.7

1962

7.7

1953

7.3

1968

7.1

1973

7.0

1963

5.3

1969

6.1

1977

6.6

1977

5.0

1959

0.0

1976

8.6

1972

5.0

2013

7.1

1965

6.0

1948

6.8

1961

5.4

1962

7.5

1956

5.1