2016

6.4

1997

6.7

2007

4.7

2017

6.8

2004

5.3

2015

6.9

2003

8.2

2001

6.5

2021

6.1

2000

6.3

2013

6.8

2010

6.9

2024

1.5

2018

6.3

2002

7.1

2005

8.3

2016

6.4

2009

6.8

2018

7.9

2024

6.3