Table A3-17 Standard Mail Receipt by Number of Credit Card Accounts Pieces per Household per Week Postal Fiscal Years 1987, 2006 and 2007 (Recruitment and Diary Data)
Postal Fiscal Year	Number of Credit Cards
	None	Low	Medium	High
	(0)	(1 - 3)	(4 - 7)	(8 +)
1987	4.0	6.4	9.3	12.5
2006	5.9	10.1	13.3	16.2
2007	7.0	9.3	12.1	15.1