2002

7.3

1985

8.3

2013

8.1

2015

7.1

1997

7.9

2009

7.6

2016

7.6

2019

7.4

2012

7.7

2018

8.4

2014

7.7

2015

7.5

2021

7.5

2010

8.4

2018

7.4

2023

8.4

2021

7.8

2013

6.5

1994

8.7

2016

7.0