2009

7.4

2016

7.0

2015

6.1

2013

7.0

2013

8.1

2004

7.3

2001

8.3

2014

7.5

1993

7.6

2014

7.6

2020

7.7

2007

7.7

2016

7.2

2008

7.2

1963

7.9

1978

7.5

1966

8.0

1982

7.5

2015

7.3

2014

7.4