2009

4.8

2006

5.0

2014

5.8

2015

5.9

2002

6.6

2006

5.7

2017

4.9

2012

6.2

2015

8.1

2021

7.4

2015

7.9

1964

7.4

2013

5.6

2010

4.4

1989

9.2

2006

7.0

2011

6.1

2014

6.1

2016

5.9

2011

5.9