| Table A3-22 Standard Mail Usefulness by Treatment (Percentage of Pieces) Postal Fiscal Years 1987, 2006 and 2007 (Diary Data) |
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| Treatment | Usefulness | ||||||||||||
| Useful | Interesting | Not Interesting | Objectionable | ||||||||||
| 1987 | 2006 | 2007 | 1987 | 2006 | 2007 | 1987 | 2006 | 2007 | 1987 | 2006 | 2007 | ||
| Read | 70.2 | 76.5 | 76.5 | 38.0 | 51.1 | 47.9 | 13.6 | 14.3 | 14.8 | 20.0 | 22.3 | 26.2 | |
| Looked at | 15.9 | 9.0 | 8.7 | 43.8 | 27.4 | 29.4 | 39.0 | 26.3 | 25.4 | 30.1 | 21.3 | 16.5 | |
| Discarded | 1.6 | 2.8 | 3.3 | 8.2 | 13.6 | 15.4 | 43.7 | 57.6 | 58.1 | 39.6 | 50.8 | 52.0 | |
| Set aside | 11.7 | 11.5 | 11.4 | 9.4 | 7.7 | 6.9 | 3.2 | 1.4 | 1.4 | 8.2 | 4.9 | 4.7 | |
| Don't know/No answer | 0.6 | 0.2 | 0.2 | 0.6 | 0.2 | 0.3 | 0.5 | 0.4 | 0.3 | 2.1 | 0.6 | 0.5 | |
| Total | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | |
| Note: Totals may not sum to 100 due to rounding. | |||||||||||||