2008

5.7

1993

6.5

1955

7.2

2013

6.1

2014

7.0

2019

6.5

2008

6.7

2004

6.6

1999

6.6

6.6

2011

6.6

2024

6.8

2022

6.1

2020

6.4

1997

6.9

2019

5.4

1985

6.8

2022

7.0

1980

5.9

1949

6.2