1896

7.1

2014

6.0

2011

7.0

2006

4.7

2008

6.5

2005

6.8

1969

6.4

2013

7.3

2009

6.2

2006

5.7

1979

7.4

1991

0.0

1991

0.0

2002

2.7

1971

7.2

1953

7.2

1983

7.6

2004

5.6

1991

6.2

2002

7.5