1970

4.0

2006

5.8

1986

0.0

2013

6.1

2011

6.5

1988

0.0

2009

6.6

2001

6.5

1983

0.0

1990

0.0

1937

6.0

1934

6.3

1954

9.2

1970

0.0

1983

6.4

2007

6.7

1999

7.0

2009

6.8

2018

5.0

1983

0.0