2012

6.9

2010

8.0

2011

6.1

2015

7.5

1995

7.3

2016

6.5

1957

7.4

1987

5.5

2024

9.1

2019

7.4

2018

7.2

2023

10.0

2010

7.7

2014

6.1

1999

7.0

2018

7.4

2017

7.1

2013

6.9

2014

7.2

1994

6.8