1987

7.3

2023

7.0

2014

8.4

1995

8.4

2023

8.1

1999

8.0

2018

7.5

2013

8.0

2007

7.8

1994

8.7

2014

6.5

1980

8.2

2010

8.2

2000

7.4

2016

8.2

2014

8.0

2009

7.6

2017

7.0

1998

8.1

2016

7.6