Table A3-21 Standard Mail Usefulness by Treatment (Percentage of Pieces) Postal Fiscal Years 1987, 2007 and 2008 (Diary Data)															BL_I	A318ROW	_NAME_	_LABEL_	COL1	COL2
															Useful	READ	PCT_COL	Percent of Column Frequency	76.46804	77.9414
															Useful	LOOKED AT	PCT_COL	Percent of Column Frequency	8.658871	8.481988
															Useful	DISCARDED	PCT_COL	Percent of Column Frequency	3.333244	2.833429
															Useful	SET ASIDE	PCT_COL	Percent of Column Frequency	11.38305	10.62361
															Useful	Don't know/No answer	PCT_COL	Percent of Column Frequency	0.156788	0.119581
Treatment	Usefulness														Interesting	READ	PCT_COL	Percent of Column Frequency	47.9352	48.59931
	Useful			Interesting			Not Interesting			Objectionable					Interesting	LOOKED AT	PCT_COL	Percent of Column Frequency	29.44055	27.28241
	1987	2007	2008	1987	2007	2008	1987	2007	2008	1987	2007	2008			Interesting	DISCARDED	PCT_COL	Percent of Column Frequency	15.37304	15.00979
Read	70.2	76.5	77.9	38.0	47.9	48.6	13.6	14.8	15.0	20.0	26.2	23.4			Interesting	SET ASIDE	PCT_COL	Percent of Column Frequency	6.935737	8.934937
Looked at	15.9	8.7	8.5	43.8	29.4	27.3	39.0	25.4	24.1	30.1	16.5	19.2			Interesting	Don't know/No answer	PCT_COL	Percent of Column Frequency	0.315483	0.173557
Discarded	1.6	3.3	2.8	8.2	15.4	15.0	43.7	58.1	59.2	39.6	52.0	52.3			Not interesting	READ	PCT_COL	Percent of Column Frequency	14.78097	15.03816
Set aside	11.7	11.4	10.6	9.4	6.9	8.9	3.2	1.4	1.5	8.2	4.7	4.8			Not interesting	LOOKED AT	PCT_COL	Percent of Column Frequency	25.4269	24.13345
Don't know/No answer	0.6	0.2	0.1	0.6	0.3	0.2	0.5	0.3	0.1	2.1	0.5	0.2			Not interesting	DISCARDED	PCT_COL	Percent of Column Frequency	58.11363	59.20932
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	1.4065	1.540503
Note: Totals may not sum to 100 due to rounding.															Not interesting	Don't know/No answer	PCT_COL	Percent of Column Frequency	0.271996	0.078569
															Objectionable	READ	PCT_COL	Percent of Column Frequency	26.24083	23.38761
															Objectionable	LOOKED AT	PCT_COL	Percent of Column Frequency	16.5316	19.19264
															Objectionable	DISCARDED	PCT_COL	Percent of Column Frequency	51.97744	52.33291
															Objectionable	SET ASIDE	PCT_COL	Percent of Column Frequency	4.709223	4.845693
															Objectionable	Don't know/No answer	PCT_COL	Percent of Column Frequency	0.540908	0.241146
															Don't know/No answer	READ	PCT_COL	Percent of Column Frequency	1.904787	1.579449
															Don't know/No answer	LOOKED AT	PCT_COL	Percent of Column Frequency	1.505245	0.507811
															Don't know/No answer	DISCARDED	PCT_COL	Percent of Column Frequency	1.4356	1.471527
															Don't know/No answer	SET ASIDE	PCT_COL	Percent of Column Frequency	0.553194	0.30155
															Don't know/No answer	Don't know/No answer	PCT_COL	Percent of Column Frequency	94.60117	96.13966