Table A3-21 Standard Mail Usefulness by Treatment (Percentage of Pieces) Postal Fiscal Years 1987, 2008 and 2009 (Diary Data)															BL_I	A318ROW	_NAME_	_LABEL_	COL1	COL2
															Useful	READ	PCT_COL	Percent of Column Frequency	77.9414	77.9763
															Useful	LOOKED AT	PCT_COL	Percent of Column Frequency	8.481988	8.995109
															Useful	DISCARDED	PCT_COL	Percent of Column Frequency	2.833429	2.791096
															Useful	SET ASIDE	PCT_COL	Percent of Column Frequency	10.62361	10.16453
															Useful	Don't know/No answer	PCT_COL	Percent of Column Frequency	0.119581	0.072965
Treatment	Usefulness														Interesting	READ	PCT_COL	Percent of Column Frequency	48.59931	47.07364
	Useful			Interesting			Not Interesting			Objectionable					Interesting	LOOKED AT	PCT_COL	Percent of Column Frequency	27.28241	28.54363
	1987	2008	2009	1987	2008	2009	1987	2008	2009	1987	2008	2009			Interesting	DISCARDED	PCT_COL	Percent of Column Frequency	15.00979	15.81215
Read	70.2	77.9	78.0	38.0	48.6	47.1	13.6	15.0	14.8	20.0	23.4	17.4			Interesting	SET ASIDE	PCT_COL	Percent of Column Frequency	8.934937	8.469249
Looked at	15.9	8.5	9.0	43.8	27.3	28.5	39.0	24.1	23.8	30.1	19.2	15.2			Interesting	Don't know/No answer	PCT_COL	Percent of Column Frequency	0.173557	0.101332
Discarded	1.6	2.8	2.8	8.2	15.0	15.8	43.7	59.2	59.6	39.6	52.3	66.6			Not interesting	READ	PCT_COL	Percent of Column Frequency	15.03816	14.79465
Set aside	11.7	10.6	10.2	9.4	8.9	8.5	3.2	1.5	1.8	8.2	4.8	0.6			Not interesting	LOOKED AT	PCT_COL	Percent of Column Frequency	24.13345	23.77197
Don't know/No answer	0.6	0.1	0.1	0.6	0.2	0.1	0.5	0.1	0.0	2.1	0.2	0.3			Not interesting	DISCARDED	PCT_COL	Percent of Column Frequency	59.20932	59.57877
Total	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0			Not interesting	SET ASIDE	PCT_COL	Percent of Column Frequency	1.540503	1.817622
Note: Totals may not sum to 100 due to rounding.															Not interesting	Don't know/No answer	PCT_COL	Percent of Column Frequency	0.078569	0.036981
															Objectionable	READ	PCT_COL	Percent of Column Frequency	23.38761	17.37888
															Objectionable	LOOKED AT	PCT_COL	Percent of Column Frequency	19.19264	15.20332
															Objectionable	DISCARDED	PCT_COL	Percent of Column Frequency	52.33291	66.57085
															Objectionable	SET ASIDE	PCT_COL	Percent of Column Frequency	4.845693	0.581446
															Objectionable	Don't know/No answer	PCT_COL	Percent of Column Frequency	0.241146	0.265503
															Don't know/No answer	READ	PCT_COL	Percent of Column Frequency	1.579449	1.720015
															Don't know/No answer	LOOKED AT	PCT_COL	Percent of Column Frequency	0.507811	0.348342
															Don't know/No answer	DISCARDED	PCT_COL	Percent of Column Frequency	1.471527	0.762475
															Don't know/No answer	SET ASIDE	PCT_COL	Percent of Column Frequency	0.30155	0.157582
															Don't know/No answer	Don't know/No answer	PCT_COL	Percent of Column Frequency	96.13966	97.01159