2012

6.2

2020

7.4

2021

7.1

2015

6.8

2002

4.5

2010

6.9

2009

5.6

2019

8.0

2017

7.2

2003

6.4

1982

7.6

2015

6.2

2019

6.2

1966

7.4

1978

6.7

1958

6.6

2016

6.7

2014

6.8

2014

6.9

2014

6.4