Past averages (note that the capacity fluctuates):
2013–14: 14,217 (82%)
2012–13: 13,916 (80%)
2011–12: 12,764 (79%)
2010–11: 15,782 (97%)
2009–10: 8,611 (91%)
2008–09: 7,842 (81%)
2007–08: 8,861 (92%)
2006–07: 6,877 (73%)
2005–06: 5,820 (61%)
2004–05: 6,031 (59%)
2003–04: 6,326 (62%)
2002–03: 6,991 (69%)
2001–02: 5,701 (56%)
2000–01: 4,459 (44%)
1999–00: 4,841 (43%)
1998–99: 5,116 (45%)
1997–98: 5,212 (46%)
1996–97: 4,987 (46%)
1995–96: 5,818 (60%)
1994–95: 4,744 (46%)
1993–94: 4,761 (49%)
1992–93: 5,501 (53%)
Note: The capacity at Bloomfield Road has fluctuated throughout this period.
Current capacity is 17,338.
In the 2006–07 season it was about 9,450.
In the 2007–08 season it changed a number of times due to extra seating in the West Stand and Kop and a decrease in the East Stand.
In the 2008–09 season, it was 9,650.


Source: Soccer-stats.com English football site
Past averages (note that the capacity fluctuates):
2013–14: 14,217 (82%)
2012–13: 13,916 (80%)
2011–12: 12,764 (79%)
2010–11: 15,782 (97%)
2009–10: 8,611 (91%)
2008–09: 7,842 (81%)
2007–08: 8,861 (92%)
2006–07: 6,877 (73%)
2005–06: 5,820 (61%)
2004–05: 6,031 (59%)
2003–04: 6,326 (62%)
2002–03: 6,991 (69%)
2001–02: 5,701 (56%)
2000–01: 4,459 (44%)
1999–00: 4,841 (43%)
1998–99: 5,116 (45%)
1997–98: 5,212 (46%)
1996–97: 4,987 (46%)
1995–96: 5,818 (60%)
1994–95: 4,744 (46%)
1993–94: 4,761 (49%)
1992–93: 5,501 (53%)
Note: The capacity at Bloomfield Road has fluctuated throughout this period. Current capacity is 17,338. In the 2006–07 season it was about 9,450. In the 2007–08 season it changed a number of times due to extra seating in the West Stand and Kop and a decrease in the East Stand. In the 2008–09 season, it was 9,650. 

Source: Soccer-stats.com English football site
Bloomfield Road