2019

8.5

1971

6.7

1993

6.2

2004

7.8

2017

7.3

1985

7.4

1991

7.4

2015

6.9

1975

7.5

2003

6.7

2014

7.1

1959

8.0

1999

8.4

2019

7.7

2010

6.8

2010

7.2

2006

7.0

2008

5.2

2019

7.0

2018

7.5