Paysa[1] has a time series of companies ranked by talent density[2]. This shows how the quality of talent has changed in companies over time.<p>[1] <a href="https:&#x2F;&#x2F;www.paysa.com" rel="nofollow">https:&#x2F;&#x2F;www.paysa.com</a> [2] <a href="https:&#x2F;&#x2F;www.paysa.com&#x2F;company-rank" rel="nofollow">https:&#x2F;&#x2F;www.paysa.com&#x2F;company-rank</a>