2010

7.1

2015

7.4

2006

6.4

2017

4.9

2017

6.4

2011

9.7

1973

6.4

1967

4.6

2022

7.0

1989

6.7

2011

8.0

2023

7.3

2016

8.8

2018

8.0

2007

7.7

2015

5.4

2012

6.8

1980

5.0

2016

7.7