2008

4.8

1977

3.0

2000

6.9

1978

7.5

2004

7.1

2017

6.4

2002

6.6

2004

6.4

2015

0.0

2019

0.0

2014

1.5

0.0

2016

2.8

2003

6.8

1994

7.4

2008

4.9

2009

6.0

1989

5.0

2010

3.9

1940

6.5