2021

4.7

2011

0.0

2019

7.0

1996

0.0

1985

0.0

2016

6.9

2017

5.7

2016

3.7

2002

7.0

2017

5.2

1967

7.6

1976

5.9

1983

6.5

1988

6.3

1985

6.5

1986

5.4

2009

6.6

2008

6.1

1997

6.6