2013

0.0

2012

6.0

1991

4.7

2005

6.3

2020

3.5

2003

6.6

2006

6.2

1973

3.7

1996

7.0

1970

3.8

2001

7.4

1991

5.9

2007

6.4

2006

6.3

1966

2.5

2018

2.3

2004

5.3

2017

6.5

1978

5.9

2000

4.6