2014

5.8

2019

6.3

2002

1.7

1997

6.8

1998

7.2

2015

6.9

2011

4.7

2016

5.9

2024

7.1

2015

8.1

2012

5.8

2008

6.2

2005

6.1

2022

7.1

2001

6.6

2013

6.0

1994

6.1

1961

0.0