1978

3.5

1978

5.0

2019

8.6

2016

5.9

2010

8.8

2015

7.1

2006

5.4

2013

8.5

1996

6.0

2009

7.4

2014

6.9

2014

4.5

1989

7.3

1997

5.5

2013

7.4

2000

6.0

2007

0.0

1985

4.9

2016

6.0

2025

8.1