2021

6.0

2004

8.3

2002

8.4

2014

7.0

2009

7.4

2011

7.1

2009

7.3

1979

6.9

1987

5.6

2010

7.7

2012

6.6

2005

7.1

1974

7.7

1998

7.0

2008

6.7

2015

7.8

1974

7.9

2007

6.8

2005

7.8

2006

7.2