1949

7.7

2012

6.2

1988

6.2

1972

7.9

1957

8.5

2006

6.6

2022

6.3

1977

8.0

2022

5.4

2008

6.0

1998

7.0

2002

6.8

1995

7.2

1999

5.9

1955

7.4

1993

7.8

1979

7.5

2014

6.8

1939

7.8

2000

8.2