2021

0.0

1967

3.6

2004

6.8

1978

8.0

2007

6.4

2005

6.5

2015

4.8

2008

5.4

2002

6.6

2001

5.3

2020

6.1

2015

0.0

2015

1.0

2016

7.1

2006

5.0

1995

7.3

2009

8.0

1969

6.8

2002

6.9

2014

5.8