2002

8.5

2019

8.1

1975

8.4

1959

6.9

2016

7.2

2010

8.2

1985

8.3

2018

7.4

2015

8.0

2019

7.4

1998

7.8

1990

7.7

1939

7.9

2013

6.5

1999

8.0

1997

7.9

2009

7.8

2016

7.9

2003

8.2

2004

7.2