1987

6.2

1920

7.9

2002

9.5

1990

7.2

1998

6.0

2015

6.8

1928

7.9

2011

7.1

1960

8.2

1921

7.8

2012

7.7

1993

6.1

2017

5.9

1947

7.0

2009

7.2

1962

7.9

1896

6.2

1994

6.9

2015

6.6

2014

7.0