2024

8.2

2008

7.1

2014

6.7

1979

6.0

1989

6.2

2019

7.0

2007

6.5

1978

6.9

2018

6.0

2006

6.8

2022

5.5

2017

6.6

2021

6.3

1976

6.2

2013

6.7

2022

6.2

2006

6.1

2019

6.5

2015

7.5