2013

6.6

2012

4.8

2018

7.6

2021

7.8

1997

5.2

2010

6.5

1993

6.7

2014

6.6

2021

6.6

2012

7.4

2015

6.8

1998

6.6

2004

5.9

1988

7.0

2008

6.9

2024

7.8

2011

6.0

1998

6.6

2006

6.6

2020

8.2