2008

7.6

2011

7.4

2006

9.3

2010

7.5

2017

6.7

2020

7.6

2022

7.6

1996

7.6

2015

8.2

1999

7.2

2024

6.8

2018

7.6

2023

7.0

1969

7.8

2015

7.6

1989

6.6

1991

8.0

2003

7.6

2013

3.5

2021

7.1