2003

7.5

2014

7.3

6.5

2011

5.6

2018

8.0

2016

7.5

2016

7.8

2023

9.0

1967

7.7

1986

5.0

2017

8.0

2018

8.0

2004

8.6

2023

7.0

2008

9.3