1946

7.4

1953

7.4

1999

5.3

1950

6.3

1960

2.0

1959

7.8

1971

6.2

1950

5.0

1943

5.4

1993

7.6

1970

7.1

1994

6.8

1976

7.1

2017

6.8

1972

6.4

1950

7.3

1958

6.7

1955

5.7

1975

5.3

1967

6.2