A new challenge league has been running in Path of Exile for about four weeks now, and that means it’s time to share statistics. Who doesn’t like statistics? Statistics are fun. Have a whole bunch of statistics about challenges and seeds dropped! There have been a lot of seeds dropped, with over 3 billion tier 1 seeds dropping and descending numbers on through the fourth tier. The low numbers of tier 4 drops is a bit of a surprise to the developers, but they are currently working with it being a function of the sheer level requirements.it’s a full set of data for analysts and fans to pore over, with more due out in the near future. Math!
Source: Official Site