2020

5.5

2018

6.0

2015

7.3

1989

7.8

2013

7.3

2019

7.3

2002

8.4

1982

0.0

2007

6.3

2015

5.5

2012

6.9

2007

8.1

1996

9.5

2011

6.3

1972

8.7

2003

7.5

2015

6.6

1979

7.0

2017

5.9