GfK achieved sales increase of 6.2% in 2011 based on preliminary figures

In financial year 2011, the GfK Group achieved an increase in sales and income. Based on the preliminary figures, sales were up by 6.2% to around EUR 1,374 million in financial year 2011. Adjusted operating income rose 1.8% to approximately EUR 188 million, with a margin of 13.7%.
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