1955

6.0

2004

7.2

0.0

1988

5.0

1996

8.0

1939

3.5

1983

5.7

1985

7.5

2002

6.4

2002

7.0

2008

4.0

2008

7.3

1957

7.4

1989

6.1

2010

2.7

2000

6.8

1998

6.5

2006

5.5

2015

5.3

1996

7.0