2006

9.3

2016

8.6

1996

7.0

2011

7.6

2024

9.0

1984

7.1

2013

7.5

2020

8.2

1987

7.8

2023

9.7

1977

7.6

2022

7.4

2008

7.6

2016

6.9

2003

4.9

2019

6.7

2013

7.8

2020

6.5

2017

7.0

2014

7.7