2007

7.5

1993

7.9

2024

7.8

2012

7.1

2023

6.5

2015

8.2

2018

7.7

2016

7.1

1999

8.7

1997

8.3

2007

7.2

2015

7.1

2016

7.0

1984

7.5

2016

6.9

2006

7.3

2009

6.6

2017

7.1

2006

7.4

2010

7.9