2013

0.0

1998

5.8

1987

7.1

1970

5.5

2008

6.3

2000

5.2

2003

5.7

1993

3.2

1997

5.9

2009

6.5

1995

5.1

2023

7.4

2000

6.7

1972

6.8

2007

5.3

1995

4.8

2009

6.0

2010

6.3

2010

1.9

2000

7.6