1968

6.9

1993

6.1

2012

9.7

2006

7.0

1984

9.2

2009

5.4

2015

7.4

2024

7.6

2001

6.9

1994

6.5

7.8

2016

6.5

2017

6.7

2012

6.3

1967

5.6

2004

7.2

2019

8.4

2018

7.0

2012

8.3

2011

7.5