Monthly book distribution reports.
| 1 |
| 1983-12 |
| 6 | 1984-12 | 9,896,828 | 5,514,404 | 1 | 1984-12 |
| 7 | 1985-12 | 10,304,658 | 5,236,235 | 1 | 1985-12 |
| 8 | 1986-12 | 3,794,432 | 1,773,270 | 1 | 1986-12 |
| 9 | 1987-12 | 1,339,241 | 913,375 | 1 | 1987-12 |
| 10 | 1988-12 | 1,102,353 | 598,638 | 1 | 1988-12 |
| 11 | 1989-12 | 5,598,513 | 3,234,723 | 1 | 1989-12 |
| 12 | 1990-12 | 7,054,895 | 4,539,184 | 1 | 1990-12 |
| 13 | 1991-12 | 8,469,481 | 6,598,877 | 1 | 1991-12 |
| 14 | 1992-12 | 9,137,506 | 7,463,596 | 1 | 1992-12 |
| 15 | 1993-12 | 9,545,520 | 7,515,183 | 1 | 1993-12 |
| 16 | 1994-12 | 9,980,877 | 7,020,817 | 1 | 1994-12 |
| 17 | 1995-12 | 8,976,314 | 6,383,361 | 1 | 1995-12 |
| 18 | 1996-12 | 9,207,432 | 6,604,950 | 1 | 1996-12 |
| 19 | 1997-12 | 6,577,565 | 4,805,313 | 1 | 1997-12 |
| 20 | 1998-12 | 4,834,860 | 4,025,515 | 1 | 1998-12 |
| 21 | 1999-12 | 3,206,638 | 2,534,463 | 1 | 1999-12 |
| 22 | 2000-12 | 2,854,804 | 2,293,992 | 1 | 2000-12 |
| 23 | 2001-12 | 2,922,505 | 2,379,825 | 1 | 2001-12 |
| 24 | 2002-12 | 2,837,863 | 2,474,038 | 1 | 2002-12 |
| 25 | 2003-12 | 3,632,185 | 3,063,071 | 1 | 2003-12 |
| 26 | 2004-12 | 4,326,865 | 3,563,826 | 1 | 2004-12 |
| 27 | 2005-12 | 4,415,088 | 3,958,797 | 1 | 2005-12 |
| 28 | 2006-12 | 4,507,076 | 4,196,238 | 1 | 2006-12 |
| 29 | 2007-12 | 5,365,006 | 4,827,934 | 1 | 2007-12 |
| 30 | 2008-12 | 5,437,285 | 4,804,937 | 1 | 2008-12 |
| 31 | 2009-12 | 6,048,015 | 5,456,334 | 1 | 2009-12 |
| 32 | 2010-12 | 6,419,904 | 5,945,316 | 1 | 2010-12 |
| 33 | 2011-01 | 0 | 206,618 | 1 | 2011-01 |
| 34 | 2011-02 | 0 | 116,849 | 1 | 2011-02 |
| 35 | 2011-03 | 0 | 57,259 | 1 | 2011-03 |
| 36 | 2011-04 | 0 | 201,161 | 1 | 2011-04 |
| 37 | 2011-05 | 0 | 263,112 | 1 | 2011-05 |
| 38 | 2011-06 | 0 | 248,660 | 1 | 2011-06 |
| 39 | 2011-07 | 0 | 311,427 | 1 | 2011-07 |
| 40 | 2011-08 | 0 | 325,161 | 1 | 2011-08 |
| 41 | 2011-09 | 0 | 210,873 | 1 | 2011-09 |
| 42 | 2011-10 | 0 | 328,302 | 1 | 2011-10 |
| 43 | 2011-11 | 0 | 303,294 | 1 | 2011-11 |
| 44 | 2011-12 | 7,112,223 | 7,230,643 | 2 | 2011-12 |
| 45 | 2012-01 | 0 | 242,705 | 1 | 2012-01 |
| 46 | 2012-02 | 0 | 262,877 | 1 | 2012-02 |
| 47 | 2012-03 | 0 | 169,589 | 1 | 2012-03 |
| 48 | 2012-04 | 0 | 215,984 | 1 | 2012-04 |
| 49 | 2012-05 | 0 | 244,960 | 1 | 2012-05 |
| 50 | 2012-06 | 0 | 278,744 | 1 | 2012-06 |