Table A3-41 Standard Mail from Mail Order Companies Reaction to Mail Piece by Familiarity and Shape (Percentage of Pieces) Postal Fiscal Years 1987, 2006 and 2007 (Diary Data)
Shape	Read (Immediately and Set Aside)			Found Useful			Will Respond
	1987	2006	2007	1987	2006	2007	1987	2006	2007
Previous customer:
Letter size envelope	65.0	57.7	59.5	52.2	41.3	54.1	18.8	14.2	14.4
Larger than    Letter Size Envelope	74.3	66.1	66.5	58.7	53.2	51.1	27.1	19.5	19.7
Catalog	74.9	77.8	75.9	70.3	72.5	73.4	25.1	16.6	17.8
Organization known:
Letter size envelope	34.2	26.8	41.0	13.3	11.7	25.3	5.6	2.8	12.0
Larger than     Letter Size Envelope	44.5	32.2	38.4	27.0	13.8	13.6	9.7	3.1	4.6
Catalog	44.6	53.8	48.9	31.5	34.6	32.5	6.7	3.3	5.7
Organization unknown:
Letter size envelope �	29.4	34.4	29.4	7.0	13.6	5.5	6.7	5.6	2.6
Larger than    Letter Size Envelope	32.9	29.5	24.4	14.2	10.9	6.6	4.7	0.8	4.0
Catalog	36.8	40.7	33.5	17.7	24.9	17.4	3.5	2.7	2.5
NOTE: Percentages represent row percentages within each familiarity and shape category; these do not sum to 100 due to the inclusion of multiple questions in this table.
� Fluctuations may be due to small sample sizes.