1980

4.8

2013

5.2

1982

3.0

1996

2.0

1981

2.0

2021

3.3

1994

6.3

2018

6.0

1999

4.0

2003

2.9

2017

5.3

2015

5.1

2017

5.2

2002

3.1

1992

1.0

2008

4.2

2009

0.0

2010

1.9

1980

1.0

1978

4.9