2007

6.7

1985

7.1

2011

7.0

2019

4.2

2013

4.9

1990

5.7

2009

0.0

1987

5.3

2004

2.0

2008

4.7

1995

4.6

1984

6.5

1967

4.2

2020

0.0

1995

5.4

2008

6.2

2014

0.0

2013

7.0

1999

2.7

2017

5.0