2015

7.4

2009

8.5

1901

7.2

2017

6.9

2009

6.9

2015

6.2

2016

6.1

2014

6.1

1996

6.9

1926

7.9

1980

5.5

2018

7.3

2013

7.0

2019

6.5

2016

7.4

1996

6.2

2012

7.1

1974

7.0

1929

5.2

1966

7.1