2004

10.0

2009

5.6

1982

5.9

2004

7.3

1928

7.3

2013

8.4

2012

5.5

1986

6.2

1990

7.5

2014

6.3

2018

5.8

8.1

2002

6.0

2008

7.8

2016

6.4

2007

7.1

2009

7.0

2009

5.5

2012

6.5

2015

5.5