2012

8.4

2003

7.6

2011

7.2

2014

8.4

2004

7.4

1990

7.4

2011

8.5

2021

7.4

2011

7.3

1996

6.8

2013

7.7

2009

8.0

2008

7.7

2003

7.8

2002

6.8

1987

5.5

1985

6.7

2015

8.3

2014

8.3

2009

7.1