2002

6.3

1964

7.6

2004

6.2

1980

8.2

1992

6.8

2020

7.1

2014

5.8

2001

7.8

1998

6.6

2012

5.4

2006

3.2

1995

7.0

1978

7.6

2017

6.2

2014

6.6

2024

10.0

2016

6.9

2019

6.0

2020

7.0

2007

6.5