2011

6.4

2012

7.9

2004

7.7

2011

7.4

1984

7.0

2006

6.7

2014

7.0

2021

10.0

1939

6.5

2008

9.0

2019

5.6

2005

6.5

2012

6.6

1996

6.5

1994

8.9

6.1

2024

6.3

2013

5.8

2016

6.7