2014

7.6

2011

6.2

2011

4.7

1979

10.0

2010

4.6

2014

5.2

1985

5.1

2009

6.7

1980

4.3

2012

7.2

1959

6.4

2003

6.9

2020

7.2

1989

4.8

1931

5.4

1992

6.7

2013

4.6

2002

7.7

2017

7.3

2006

5.7