2020

6.5

1997

6.1

2014

6.9

2017

9.5

2004

6.4

1988

6.5

2020

6.9

2020

6.7

2006

6.7

2016

6.1

1966

6.2

1957

7.6

1982

6.5

1987

6.0

2003

6.2

1995

5.6

2022

6.3

2008

6.2

6.1