1929

5.0

2010

6.0

1987

7.1

1937

0.0

2007

5.6

2010

5.0

1999

6.2

2008

6.5

2003

5.3

2003

5.6

2003

6.4

1995

6.3

2002

4.4

2006

5.9

2003

6.3

2007

6.0

1914

0.0

1990

6.1

1983

7.1

1989

6.7