Table A2-29 First-Class Mail Originating in Households and Nonhouseholds Postal Fiscal Years 1987, 2008 and 2009 (Diary Data)									YEAR	_TYPE_	_FREQ_	A235ROW1	A235ROW3	A235ROW5	A235ROW2	A235ROW4	I			YEAR	_TYPE_	_FREQ_	A235ROW1	A235ROW3	A235ROW5	A235ROW2	A235ROW4	I
									2008	0	57541	6.157394	53.0359	3.24056			6			2008	0	57541	0.929752	8.00829	0.48932			6
									2009	0	52708	6.23683	54.1131	3.06544			6			2009	0	52708	0.857419	7.43929	0.42143			6
									2008	0	16525				15.0007	1.47604	6			2008	0	16525				2.26507	0.22288	6
									2009	0	15091				14.8004	0.79628	6			2009	0	15091				2.03472	0.10947	6
Sector	Percentage of First-Class Mail			Pieces Per Household Per Week
	1987	2008	2009	1987	2008	2009
Household-to-household	9.1	6.2	6.2	1.6	0.9	0.9
Household-to-nonhousehold	12.2	15.0	14.8	2.1	2.3	2.0
Nonhousehold-to-household	40.6	53.0	54.1	7.0	8.0	7.4
Unknown outgoing	1.9	1.5	0.8	0.3	0.2	0.1
Unknown incoming	0.6	3.2	3.1	0.1	0.5	0.4
Subtotal	64.4	78.9	79.0	11.1	11.9	10.9
Nonhousehold-to-nonhousehold	35.6	21.1	21.0	N/A	N/A	N/A
Total	100.0	100.0	100.0	N/A	N/A	N/A
Base: RPW Total, First-Class Letters & Cards.
Note: Totals may not sum due to rounding.