2003

6.6

2019

9.2

1969

5.1

1991

6.3

2020

5.9

2010

6.6

1985

6.7

2018

6.0

2009

5.1

1978

6.8

2004

5.7

2015

7.7

2017

4.4

2006

6.5

2013

6.9

2016

6.7

2020

7.9

1993

5.4

1967

6.6

2024

7.5