1983

0.0

1988

0.0

1974

8.0

1997

7.1

2006

8.1

2014

5.8

2013

8.5

2014

6.9

2014

6.7

2022

6.5

2014

7.9

2010

7.4

1976

6.0

2009

6.1

1993

7.6

2006

6.9

2002

6.8

1990

3.0

2015

6.4

2019

3.3