2009

6.2

2012

6.4

2010

6.3

2024

6.9

2011

7.1

1970

7.7

1993

5.8

1990

6.2

2019

7.6

2023

7.1

2007

5.7

2019

7.7

2023

7.2

2005

5.8

2001

6.2

2004

3.5

2014

6.6

2022

6.1

2016

5.7

2011

5.5