1955

5.7

1994

8.7

2019

8.5

2011

7.0

2010

7.7

1995

6.0

1987

8.1

1991

7.5

1959

7.8

2023

6.7

1975

8.4

1996

6.5

1983

7.9

1954

8.3

1993

7.7

2012

6.1

2011

7.5

1997

7.9

2009

7.0

1979

7.8