2012

7.0

2010

6.6

2011

7.1

2014

6.8

1970

8.2

2023

6.3

2017

7.7

1984

8.4

2023

8.0

1928

7.9

1962

7.9

1952

7.9

1954

7.2

2015

6.1

1987

6.2

2017

6.2

2016

6.5

1970

7.6

2009

7.2

1991

7.5