1969

7.6

1925

7.6

2004

7.2

1979

6.9

1959

7.9

2001

6.9

1975

7.4

1974

6.7

2000

7.1

1972

4.2

2013

6.4

1993

8.6

1957

7.2

1975

7.3

1994

7.5

1995

7.9

2004

7.7

1981

6.8

2020

7.3

2021

6.1