1958

7.7

1984

8.0

1957

8.5

1966

7.7

1969

4.5

2007

6.3

1967

0.0

2013

6.8

1926

4.3

2019

6.1

1967

0.0

1968

7.4

1990

7.3

1966

6.5

1987

7.1

1964

7.1

1999

6.8

1982

6.5

1941

5.3

1972

7.4