2003

7.7

2012

4.2

2010

0.0

1954

7.2

2005

6.7

1978

6.9

1984

1.0

1967

5.7

2007

5.4

1956

7.1

1989

6.8

1952

6.3

1932

7.0

1963

5.0

1940

5.0

2008

4.8

2016

6.5

2017

7.1

2004

6.4

1993

0.0