2010

6.2

2010

7.5

2012

5.4

2013

6.4

2015

5.2

1982

6.9

2003

6.1

1966

6.3

1965

6.8

2017

7.3

2016

7.1

2002

7.3

2006

6.5

2009

7.0

2014

6.6

2019

8.2

1972

7.2

2020

4.7

2010

6.7

1964

7.0