2001

7.2

2010

6.6

2004

7.1

2018

6.7

1998

4.8

2013

6.1

1978

6.9

2022

6.3

2012

7.0

2022

6.2

1996

9.5

2017

5.4

2007

7.5

2005

6.4

1996

5.3

2021

5.3

2006

5.0

2001

6.8

2011

9.1

1993

5.5