More fun with the database... these figures include all series, along with the collector's club (February 2011 includes the recent BOM CC set for example):
Monthly Costs:
2007: 183/219/92/373/0/223/192/209/276/156/243/135 - $2,301.00
2008: 211/458/184/0/314/138/334/439/208/405/476/248 - $3,415.00
2009: 258/356/264/257/404/248/433/244/392/497/392/415 - $4,160.00
2010: 250/290/303/261/333/252/381/207/505/480/448/405 - $4,115.00
2011: 563/590 - $1,291.00
Series Costs:
Battle on the Monongahela 1755 - $3,440.00
The Raid on St. Francis 1759 - $2,350.00
The Condor Legion (Spanish Civil War) - $480.00
The Jacobite Rebellion 1745 - $1,598.00
The First Sudan War 1884-1885 - $970.00
Battle of the Plains of Abraham 1759 - $2,428.00
Battle on Snowshoes 1758 - $1,412.00
Battle of Fort Carillon 1758 - $357.00
Battle of Chippewa 1814 - $1,870.00
Knights of the Skies (World War 1) - $670.00
John Jenkins Designs Collectors' Club - $504.00
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Total: $16,079.00
Interesting to see the actual figures added up.
-Rich