1993

5.5

2016

5.4

2002

8.4

2011

7.3

2021

9.2

2010

6.8

2013

5.7

2018

5.8

1965

8.3

2012

5.9

2016

6.6

2016

7.0

2016

8.9

2015

5.9

2002

6.3

2017

8.1

2020

7.2

2006

7.6

2017

5.4

2012

7.0