1969

7.0

2007

5.3

1964

7.4

2016

6.5

1933

7.5

2017

7.4

1980

7.9

2014

6.1

2019

7.7

2005

7.3

2018

8.2

1946

7.7

1985

7.2

2015

7.6

2017

7.3

2018

5.8

1952

7.2

1996

8.0

2002

7.1

1941

7.4