2017

7.3

2024

6.0

2016

6.0

2013

6.9

2016

7.1

2009

7.5

1992

6.2

2013

7.4

2005

7.7

1997

6.3

1984

7.2

2017

6.8

2016

6.6

2019

6.8

1987

6.8

2001

6.8

2014

7.4

2007

6.5

2010

7.2

2010

5.3