2011

7.2

1972

4.0

1964

7.4

2014

7.0

2012

7.2

2010

9.1

2003

7.5

2016

8.9

2009

6.1

2014

6.5

5.7

2007

7.2

1974

8.6

2013

7.7

2021

8.2

2000

7.2

2013

5.8

2025

6.2

2004

5.8

2021

5.8