2008

6.5

1985

6.8

2016

5.5

1993

7.9

2003

8.1

2009

4.2

1974

8.0

1938

7.2

2000

6.6

2003

5.5

2011

0.0

1924

3.5

1978

6.2

2013

5.9

1947

4.9

1962

7.4

1948

8.2

2005

6.6

2006

7.0

2007

7.6