2010

7.9

2014

5.1

2022

6.9

1977

6.3

6.1

1975

7.0

2022

6.2

2021

6.7

2004

7.3

2020

6.4

2006

6.1

2018

6.8

2020

7.2

2007

4.6

2014

5.6

2015

6.4

2019

5.7

2018

9.0

2005

8.6