1999

7.8

2009

4.7

1958

6.4

2004

6.7

2014

6.2

1936

0.0

1978

6.5

1992

7.0

2013

5.8

1957

5.2

1976

5.5

2004

6.9

1984

8.0

2016

4.2

1955

6.0

1971

0.0

2012

0.0

1971

2.0