2002

7.6

2004

7.4

1981

6.6

2007

5.8

1972

7.1

2010

6.3

1987

5.1

1933

6.9

2018

6.0

1991

6.4

2006

6.3

1967

5.9

1959

7.3

2022

9.0

1994

6.2

1914

0.0

2014

5.8

1975

8.0

1963

7.6

2011

6.2