1978

5.3

2006

0.0

2006

0.0

1982

5.7

2002

5.6

1987

6.0

1958

8.0

2003

7.3

1990

7.1

2005

0.0

1964

7.4

1998

5.4

1994

6.2

2009

0.0

2008

0.0

1968

0.0

2007

0.0

2006

4.6

1979

7.5

1995

7.3

2003

4.0