2019

7.0

2020

6.5

2000

5.0

2006

6.8

1993

6.5

2019

6.5

2013

6.6

1995

5.9

1986

6.2

1978

5.8

1999

6.3

1966

6.1

2012

5.3

2009

5.9

2003

6.8

2019

9.8

2017

6.6

2014

6.6