2019

7.7

1984

6.5

2013

6.1

2003

6.2

6.3

2018

5.3

2010

7.4

2023

9.2

2014

5.4

2012

6.3

1989

6.2

2013

6.1

2018

6.6

2019

8.7

2020

6.8

2009

6.5

1984

6.1

1994

4.5

2007

6.4