2010

8.1

2014

7.8

1987

8.4

2003

7.5

2008

8.9

2004

8.6

2002

7.7

2021

8.2

2007

7.9

2015

8.2

1982

7.5

2011

8.5

2017

8.7

2005

8.2

2006

8.6

2021

8.5

2015

7.7

1999

7.4

2015

8.1

1999

8.4