2004

4.5

2019

8.5

1954

8.4

1960

8.4

2016

7.6

2019

7.7

2012

7.8

2013

7.5

2011

6.1

2017

7.2

2015

7.7

1977

8.2

1957

8.5

2013

7.5

2011

7.0

1985

8.3

2019

6.8

2018

7.4

2010

7.0

1972

7.9