2001

7.0

1961

7.7

1974

7.0

2010

7.2

2000

5.5

1996

7.4

1993

6.2

2021

7.5

1994

4.4

2009

8.5

1989

9.3

2023

6.7

1948

7.0

2011

7.3

1971

6.7

2010

5.8

2025

6.0

2006

6.2

2014

7.1