Table 1.—Reliability of Current Estimates of Quarterly Changes in Real GDP, 1978-91

[Percentages providing correct indication]

	All quarters			Omitting quarters with changes/differences of 1 percent or less
	Direction of change	Larger/smaller change than in previous quarters	Change between +1 percent and +4 percent	Direction of change	Larger/smaller change than in previous quarters
	(56)	(55)	(56)	(48)	(43)
Advance	88	78	75	92	86
Preliminary	89	75	70	94	81
Final	89	76	66	94	84

NOTE.—The number of comparisons is shown in parentheses.