1995

8.0

2014

6.0

1996

9.5

2002

6.9

2017

7.0

2016

7.4

1993

5.5

2003

7.4

1984

6.5

2018

7.0

2008

6.7

2016

8.0

1984

5.2

2009

8.5

1997

2.1

1999

5.3

1968

5.0

2004

7.0

2012

4.0