2011

4.3

2013

6.1

1999

6.6

2001

6.9

1993

6.1

2004

7.4

2010

5.9

2024

7.4

2021

9.3

2008

5.7

6.3

2018

6.4

2016

6.5

2012

7.1

2018

6.0

2015

4.2

2003

6.2

5.6

1940

6.0

2003

6.7