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This interactive tree map displays the various browers visiting over years. If you select another year, the treemap will visually rearrange its items, either by resizing and moving the items around or by stretching the items at their same position ("Keep positions"). Interesting to see that Safari grows in popularity over years from 3 % to 11 % and that Internet Explorer (IE) version 6 is still being used by 6 % of the visitors in 2009.