2016

6.6

2018

8.0

2017

7.3

1996

5.4

1971

7.8

2023

9.1

2012

7.6

2008

6.2

2008

7.6

2021

8.5

2011

7.1

2016

7.1

2015

7.6

2004

7.7

2017

6.6

2012

7.8

2018

5.9

1977

6.3

1990

8.0

2005

8.2