2023

6.2

2008

5.7

2008

5.2

2013

6.1

2003

8.8

2003

6.1

2011

6.3

2014

6.6

2015

7.9

1980

5.9

2016

6.7

2020

7.0

2014

7.1

1965

6.3

1996

5.4

1989

9.2

2017

6.5

2018

6.0