2005

5.5

2004

6.6

2000

7.4

2011

6.9

2019

5.4

2016

6.4

2013

6.6

2016

6.6

2017

6.6

2013

5.9

2015

6.0

1987

7.2

1996

6.3

2005

7.2

1940

0.0

2013

6.8

2021

6.2

2009

7.1

2009

7.2

2009

0.0