2010

7.1

1985

6.4

1967

6.5

2004

6.5

2020

9.8

1998

6.1

1978

6.9

2017

8.6

2020

6.0

2005

9.9

2005

5.4

1995

6.6

1987

7.4

2011

9.1

2006

7.0

2016

6.7

2012

9.7

2009

8.5

2009

5.6