2013

7.7

1965

7.1

1998

6.2

2019

4.2

1992

5.0

1996

6.8

2017

9.4

2012

4.3

1975

6.9

2016

7.4

1937

7.2

2017

6.9

1969

6.9

2020

7.3

2011

7.6

2018

6.1

2015

5.3

2010

6.6

2017

6.2

2019

7.0