2014

6.6

1993

5.4

2006

6.7

1990

5.7

1972

6.2

2013

6.6

2006

6.1

2016

6.7

2020

7.0

2010

6.7

2022

6.3

2005

6.0

1998

6.4

1920

7.3

2005

7.2

2022

6.5

2003

6.0

2010

7.0

2019

5.4