2012

9.0

1970

6.8

2017

7.5

2018

6.8

2009

5.8

2016

4.5

2003

7.1

1992

6.8

2010

6.7

1998

7.0

1957

6.2

1996

6.9

2018

6.5

1961

6.9

1964

7.4

1987

6.0

2001

6.8

2006

7.2

1978

7.4

2018

5.4