2011

6.0

2006

7.4

2017

7.0

2016

6.8

2021

7.8

1982

7.6

2007

7.1

1973

8.3

1991

7.4

2016

8.6

2023

7.7

2015

7.5

2021

7.3

2017

8.5

2020

6.1

2024

8.0

1978

9.7

2022

8.1

1998

7.8

2023

7.2