2018

9.0

1992

6.8

2008

6.0

2017

8.0

1996

6.5

1978

6.7

2018

7.9

2003

7.6

2014

7.0

2015

8.9

2004

8.3

2013

7.0

2008

7.8

2021

6.7

2015

5.4

2005

6.9

2016

7.3

2002

7.8

2016

7.9

2022

7.6