2019

5.3

2016

6.9

1974

6.5

1982

6.3

1996

6.2

1964

4.9

2012

5.4

2020

4.8

1972

6.5

2020

6.5

2013

6.5

2013

6.2

2019

7.0

2009

5.9

1988

6.5

2014

6.9

2017

6.6

1989

5.5

2016

6.7

1993

6.5