2017

6.0

2003

6.1

1993

6.1

1973

6.3

1968

6.9

2014

6.5

2001

5.9

1996

7.5

2011

6.3

2020

7.0

2024

7.3

2018

5.3

2004

6.7

2003

7.1

1997

6.3

2005

8.3

1993

6.2

2009

5.6

1920

6.7

1999

6.7