2000

7.4

2015

0.0

1981

8.5

2013

5.0

2008

5.3

1993

0.0

2010

4.5

2016

2.9

1994

7.3

2004

6.4

2013

4.8

2016

6.5

2003

6.5

1999

5.4

2019

7.8

2016

2.0

2017

7.1

2020

7.0

2007

8.0

2018

5.8