2011

7.9

1992

5.0

1998

6.2

2008

5.7

2013

7.3

1964

6.9

1965

6.8

2011

6.9

2023

7.1

2014

8.0

2019

6.4

2012

6.4

2016

6.5

2014

7.7

2017

6.8

2013

8.0

2017

6.0

2018

6.4

2016

7.2

2010

6.6