2008

8.9

2016

8.6

2018

7.8

1979

6.8

1999

7.0

1989

7.5

2010

8.2

2022

8.3

2024

7.9

2015

7.3

1995

6.4

2023

7.5

2024

7.0

2022

8.1

2013

8.0

2015

8.0

2009

7.2

1988

7.1

2003

8.0

2017

7.4