printing papers net sales for 2006 decreased 3% ( 3 % ) from both 2005 and 2004 due principally to the sale of the u.s . coated papers business in august 2006 . however , operating profits in 2006 were 43% ( 43 % ) higher than in 2005 and 33% ( 33 % ) higher than in 2004 . compared with 2005 , earnings improved for u.s . uncoated papers , market pulp and european papers , but this was partially offset by earnings declines in brazilian papers