Monthly book distribution reports.
| 3 |
| 1988-12 |
| 112,671 |
| 102,488 |
| 382,123 |
| 194,926 |
| 310,145 |
| 0 |
| 0 |
| 1,102,353 |
| 4 | 1987-12 | 156,950 | 324,993 | 398,000 | 197,015 | 262,283 | 0 | 635 | 1,339,241 |
| 5 | 1986-12 | 313,315 | 370,756 | 683,850 | 1,275,385 | 1,151,126 | 0 | 0 | 3,794,432 |
| 6 | 1985-12 | 1,110,524 | 1,101,070 | 1,723,297 | 2,769,947 | 3,599,820 | 0 | 0 | 10,304,658 |
| 7 | 1984-12 | 1,274,011 | 1,246,074 | 1,647,507 | 2,157,540 | 3,571,696 | 0 | 0 | 9,896,828 |
| 8 | 1983-12 | 1,295,769 | 1,291,156 | 2,071,167 | 2,820,980 | 5,630,291 | 0 | 0 | 13,109,363 |
| 9 | 1982-12 | 625,703 | 1,394,657 | 1,231,729 | 2,494,293 | 2,545,276 | 0 | 0 | 8,291,658 |
| 10 | 1981-12 | 0 | 1,003,543 | 1,277,703 | 2,503,027 | 1,552,122 | 437 | 0 | 6,336,832 |
| 11 | 1980-12 | 0 | 984,304 | 1,053,087 | 2,313,283 | 2,487,322 | 0 | 0 | 6,837,996 |
| 12 | 1979-12 | 0 | 2,665,140 | 2,584,121 | 2,526,390 | 10,539,977 | 32,913 | 0 | 18,348,541 |