In order to calculate the index (base year 1990) for all the table categories, the EU27 raw value of each year (1990-2009) which can be retrieved from the ODYSSEE database, is divided by the EU27 raw value of year 1990 and then multiplied by 100
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Avoid disposing any waste on the streets, in nature, and especially not in the gutter. This rubbish can end up in the water treatment system and overcharge the decontamination process. Take advantage of city waste baskets. They are everywhere and that's what they are for.
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