2015

7.3

2014

7.8

2013

7.4

2016

7.3

2015

8.3

2001

6.6

2017

8.1

2005

8.2

2023

8.9

1989

8.5

2005

7.6

2012

8.1

1992

5.8

1999

7.9

2021

7.7

2017

7.5

1996

5.3

2015

7.4

2013

7.9

2017

6.2