2006

6.9

2007

6.9

2024

9.6

2008

7.2

2008

7.3

2018

8.4

1991

6.3

2012

6.5

2009

4.6

2020

7.8

2022

7.9

2003

7.0

2018

6.7

2021

5.5

2015

5.9

2020

5.6

1984

7.2

2013

6.7

1987

5.5

2018

6.9