3 ms·Sorry but where did it say that in the article ? I couldn't find it..by bilekas 4y agoSorry but where did it say that in the article ? I couldn't find it..wraptile 4y ago2nd illustration in the "The Problem Index – At a Glance" section: https://i.imgur.com/dGrMV17.png https://i.imgur.com/dGrMV17.pngGatsky 4y agoIt’s in the bottom 15 problem index horizontal bar chart.