Table A2-34 First-Class Mail Sent by Households to Nonhouseholds Postal Fiscal Years 1987, 2006 and 2007 (Diary Data)
Mail Sent	Percentage of Total First-Class Mail			Pieces Per Household Per Week
	1987	2006	2007	1987	2006	2007
Business Transactions -- In Response to Advertising:
Total Response to Advertising	3.6	1.1	1.3	0.6	0.2	0.2
Business Transactions -- Not in Response to Advertising:
Transaction to phone/utility company	2.0	2.9	2.9	0.4	0.5	0.5
Transaction to credit card company	1.5	2.1	2.1	0.3	0.3	0.3
All other business mail	5.1	7.2	8.1	0.9	1.2	1.3
Total Business Not In Response to Advertising	8.6	12.2	13.1	1.5	2.0	2.1
Don't know / No answer	0.1	0.2	0.2	0.0	0.0	0.0
Total Mail Sent by Households to Nonhouseholds	12.2	13.5	14.6	2.1	2.2	2.3
Note: Totals may not sum due to rounding.