Table A3-66 Standard Mail Intended Response Medium to Pieces from the Mail Order Industry (Percentage of Pieces) Postal Fiscal Years 1987, 2006 and 2007 (Diary Data)
Industry	1987	2006	2007
Mail	82.4	28.7	31.9
Phone	13.3	39.4	33.2
In-Person	2.9	3.1	2.2
Other	0.2	25.7	29.4
Don't know/No answer	1.2	3.0	3.3
Total	100.0	100.0	100.0
Note: Totals may not sum to 100 due to rounding.