2014

7.0

1960

7.5

2011

5.0

2009

5.8

2008

7.6

1994

8.7

2010

8.4

1972

8.7

1985

8.3

2017

7.2

2013

8.0

2004

7.2

1994

8.5

2010

8.2

1999

6.9

1980

8.2

2015

7.9

2019

8.5

1999

8.4

2009

7.4