2014

8.4

1986

8.5

1983

6.9

1997

9.0

2011

5.9

1976

7.9

2021

6.8

2023

5.6

2017

6.2

2007

8.5

1999

7.4

2018

9.0

2019

8.0

2009

6.7

2016

7.1

1969

6.6

2020

6.4

1983

7.3

2020

9.1