1996

5.6

2003

6.5

1970

5.1

2014

3.3

1993

5.0

2020

6.8

2004

6.4

2001

6.2

1985

0.0

1974

0.0

2008

7.1

2005

5.3

2007

4.3

1997

6.7

2018

6.7

2008

4.3

2006

5.0

2021

6.1

1963

4.2

2014

0.0