[['ecosystem', 'date of issue', 'place of issue', 'no stamps in sheet', 'face value', 'printer'], ['sonoran desert', 'april 6 , 1999', 'tucson , arizona', '10', '33', 'banknote corporation of america'], ['pacific coast rain forest', 'march 28 , 2000', 'seattle , washington', '10', '33', 'banknote corporation of america'], ['great plains prairie', 'march 29 , 2001', 'lincoln , nebraska', '10', '34', 'ashton - potter (usa) ltd'], ['longleaf pine forest', 'april 26 , 2002', 'tallahassee , florida', '10', '34', 'american packaging corp for sennet security'], ['arctic tundra', 'july 1 , 2003', 'fairbanks , alaska', '10', '37', 'banknote corporation of america'], ['pacific coral reef', 'jan 2 , 2004', 'honolulu , hawaii', '10', '37', 'avery dennison'], ['northeast deciduous forest', 'march 3 , 2005', 'new york , new york', '10', '37', 'avery dennison'], ['southern florida wetland', 'october 5 , 2006', 'naples , florida', '10', '39', 'avery dennison'], ['alpine tundra', 'august 28 , 2007', 'estes park , colorado', '10', '41', 'sennett security products'], ['great lakes dunes', 'october 2 , 2008', 'empire , michigan', '10', '42', 'avery dennison'], ['kelp forest', 'october 1 , 2009', 'monterey , california', '10', '44', 'avery dennison'], ['hawaiian rain forest', 'september 1 , 2010', 'hawaii national park', '10', '44', 'banknote corporation of america , inc']]
Avery Dennison , was the most frequently used publisher , producing nearly half (5 / 12) of the Stamp In the series
[ENT] , was the most frequently used publisher , producing nearly half (5 / 12) of the [ENT] the series