1997

6.3

1970

6.0

2008

5.8

1993

7.2

2023

5.8

2018

6.6

2006

6.3

2002

5.3

1924

7.4

2006

6.6

2001

6.5

1969

6.7

2004

7.2

1978

8.0

2019

6.4

2025

7.2

1999

6.1

1998

5.5

2005

6.2

1993

6.9