2020

6.5

1970

6.0

2009

7.2

2012

0.0

1991

7.7

1989

7.4

1970

7.2

2002

7.0

2025

4.3

2023

6.3

2001

7.0

1976

6.9

1994

6.4

2008

5.8

1984

6.3

1947

6.7

2011

6.3

2010

7.6

1990

5.1

1938

7.1