| Table A3-21 Standard Mail Treatment by Usefulness (Percentage of Pieces) Postal Fiscal Years 1987, 2006 and 2007 (Diary Data) |
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| Treatment | Usefulness | ||||||||
| Useful | Interesting | Not Interesting | |||||||
| 1987 | 2006 | 2007 | 1987 | 2006 | 2007 | 1987 | 2006 | 2007 | |
| Read | 68.0 | 68.3 | 69.2 | 20.2 | 15.8 | 14.1 | 7.0 | 12.3 | 13.1 |
| Looked at | 24.4 | 19.1 | 19.0 | 36.5 | 20.2 | 20.9 | 21.5 | 53.8 | 54.5 |
| Discarded | 4.5 | 3.9 | 4.6 | 12.9 | 6.6 | 6.9 | 66.0 | 78.2 | 78.4 |
| Set aside | 58.2 | 70.5 | 72.2 | 25.6 | 16.3 | 14.3 | 8.4 | 8.4 | 8.7 |
| Treatment | Usefulness | ||||||||
| Objectionable | Don't Know/No Answer | Total | |||||||
| 1987 | 2006 | 2007 | 1987 | 2006 | 2007 | 1987 | 2006 | 2007 | |
| Read | 2.2 | 2.9 | 3.2 | 2.6 | 0.6 | 0.3 | 100.0 | 100.0 | 100.0 |
| Looked at | 5.2 | 6.6 | 4.9 | 12.4 | 0.3 | 0.6 | 100.0 | 100.0 | 100.0 |
| Discarded | 12.9 | 10.5 | 9.8 | 3.7 | 0.7 | 0.4 | 100.0 | 100.0 | 100.0 |
| Set aside | 4.6 | 4.4 | 4.1 | 3.2 | 0.4 | 0.7 | 100.0 | 100.0 | 100.0 |
| Note: Percents are row percentages within each Treatment category. | |||||||||
| Totals may not sum to 100 due to rounding. | |||||||||