Index	Month			Change
		June	Nov	Dec	6-month	1-month
	Backward	53.25	55.17	56.83	3.58	1.66
	Forward	56.50	56.50	55.83	-0.67	-0.67
	N	N=69	N=96	N=90
	Index	Month			Change
		June	Nov	Dec	6-month	1-month
	Backward	53.25	55.17	56.83	3.58	1.66
	Forward	56.50	56.50	55.83	-0.67	-0.67
	N	111	96	96