2023

6.0

1990

6.6

1977

6.7

2017

6.9

2013

5.8

2011

5.2

2007

7.3

2015

7.3

2005

6.2

2010

6.2

1994

6.6

2016

7.1

2016

7.3

2005

6.6

2009

6.1

2003

6.0

2018

8.0

2014

7.9

2008

7.6

1989

7.1