2018

9.6

2020

9.8

2024

8.8

1997

8.1

2025

8.9

2017

8.4

2023

8.5

2006

5.7

1998

7.1

2011

7.4

2003

8.2

2015

6.8

2013

8.0

2013

7.5

1972

7.5

2018

7.3

2015

5.3

1996

5.3

2014

7.7

2015

7.4