2011

4.8

2003

5.7

1997

6.0

2004

5.9

1981

7.0

1982

6.2

2010

6.4

1988

3.8

2021

6.6

2019

0.0

1997

0.0

2014

0.0

2003

5.5

2017

5.3

2021

5.7

0.0

1981

4.0

1994

5.4

1974

6.2

2019

6.3

2017

5.7

1997

6.0

2017

6.0

1976

5.8

2003

0.0

2018

3.0

2008

0.0

1968

0.0