2013

7.9

2010

6.3

2008

5.1

1993

5.5

2004

7.1

2017

5.5

2002

5.6

2023

7.2

2018

6.4

2009

6.9

2015

6.2

2015

6.4

2009

4.7

2011

6.6

2015

6.3

2016

6.7

2022

5.9

2008

6.2

1973

7.7

1994

9.0