2015

5.3

1999

7.5

2006

5.4

2019

8.2

2014

7.7

2018

7.2

2004

7.9

1965

6.0

2011

7.4

2020

9.8

2011

6.0

2011

7.6

1967

7.7

2009

6.5

2012

6.3

2023

9.0

2002

8.1

1991

7.3

2013

8.0

2010

7.5