. european container net sales for 2006 were $ 1.0 billion , compared with $ 883 million in 2005 and $ 865 million in 2004 . the increase was principally due to contributions from the moroccan box plants acquired in the fourth quarter of 2005 , although sales volumes for the rest of the business were also slightly higher . operating profits in 2006 were up 31% ( 31 % ) compared with 2005 and 6% ( 6 % ) compared with 2004