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In the calculation of this index, ZF chose one brand from each category of products, a brand that is well positioned in terms of market share, produced by one of the top-five players in the category. Therefore, one kilo of Băneasa flour costs 2.8 lei in February, 41.4% more than in July 2010. 1 Kilo of Lemarco sugar now costs 4.295 lei, compared with 3.28 lei, an increase of 30.9%. Similarly, the price of Floriol vegetable oil (1 litre) rose over 35%, from 5.11 lei to 6.91 lei. Data from the National Statistics Institute (INS) point to a 10.2% price increase for flour in the July 2010 - January 2011 period. Similarly, the increase amounted to 8.1% for sugar. The only products whose prices fell, of those analysed by ZF, were beer, mineral water, apples, with the decline amounting to 6.1%, 0.1% and 12.4% respectively.