CATEGORY 2011 2012 2013 2014 2015
Money invested $12.3 million $30.3 million $66.7 million $155.1 million $175.9 million
Combined monthly revenue * $3.5 million $5.0 million $5.9 million $7.5 million $8.3 million
Full-time employees 601 835 827 1,073 1,461
Part-time employees 57 109 252 386 450

* Some startups in the survey declined to provide this number. 

Source: St. Louis Tech Startup Report, ITEN