2012

7.7

1993

7.9

2009

7.0

2013

8.1

2016

6.3

2011

8.8

2018

7.9

1971

7.9

2016

6.7

1996

6.4

2016

7.5

2005

8.3

1989

6.6

2007

7.2

2004

8.1

2003

8.0

2015

7.4

2019

8.1

2009

7.3

2024

8.2