2016

8.9

1995

7.9

2014

9.1

1974

7.0

2024

6.1

1993

5.5

2010

6.6

2021

5.9

2006

6.6

2020

7.2

2010

5.1

2015

7.3

2024

7.4

1972

4.5

2020

6.7

1991

7.0

2021

7.8

2018

8.4

2017

7.8

1988

4.7