.
, . (McGrow Hill Research), 1977 1988 . 87 252 , .. 160% (Forsyth, 1988).
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, , , . . . 11.7, - . 11.8.
11.7. . . .: Services Postaux Europeens (1992), tabl. 2.1 - 2.7.
32, 0 | 75, 5 | 78, 3 | 80, 0 | 30, 0 | 57, 2 | 59, 7 | 60, 4 | ||
25, 0 | 44, 8 | 46, 7 | 48, 5 | - | 10, 2 | 11, 5 | 5, 3 | ||
26, 0 | 52, 9 | 54, 4 | 54, 6 | - | 20, 2 | 23, 2 | 22, 8 | ||
49, 0 | 59, 7 | 48, 4 | 56, 2 | 18, 0 | 37, 0 | 39, 6 | 38, 4 | ||
- | 11, 4 | 11, 4 | 13, 9 |
11.8. (1992 .).
: Direct Marketing Association, (1993), tabl. 5, . 14.
(. ) | (. ) | . (. ) | (. ) | / | , % | |
5 190 | 3 170 | 1 440 | ||||
3 500 | 1 080 | |||||
1 350 | 1 850 | 3 340 | ||||
1 320 | 1 370 | 2 880 | ||||
1 260 | 1 010 | 2 580 | ||||
1 170 | 1 690 | |||||
/ | ||||||
8 730 | ||||||
% |
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