2020

3.6

2019

10.0

1980

6.3

2013

6.4

1998

2.4

2002

5.2

2018

4.8

2001

1.0

2004

1.0

2004

7.3

1982

5.4

2006

5.0

2016

5.1

2003

5.9

2010

4.6

1999

6.0

2018

4.5

1994

5.5

1998

4.8

1994

4.6