2020

5.2

1988

5.3

2009

5.1

2011

5.7

2003

5.8

2009

5.5

1993

6.1

1997

7.6

2017

7.4

2017

7.6

2019

7.1

1990

5.3

2010

6.8

1982

6.2

2016

6.4

1987

6.3

2012

5.8

2017

10.0

2001

5.4

2007

6.6