fross, read
description. Indices are for the moment, 859 artists. For other artists indexes will appear after they set a certain number of sales that exceed certain thresholds (I will not go into details, because there are many subtleties).
Ratings - yes, will be expanded to other artists, but a little later.
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Сообщение от fross
Why was taken as the reference point 2001? In the base there are also earlier data.
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Because of the earlier periods we have no representative statistics. And, besides, 2001-th - beginning of the century, a convenient figure.
