Free/Libre/Open Source Software: Survey and Study 6_2. If you develop proprietary software: On average, how many hours per week did you work on proprietary software projects last year? Less than 2 139 10.9% 2 - 5 95 7.45% 6 - 10 136 10.67% 11 - 20 163 12.78% 21 - 40 482 37.8% more than 40 260 20.39%       1275 answers from 2774 insertions (45.96%) Read the final report for the FLOSS project. You may also read the Stallman-Ghosh-Glott mail exchange and the Tiemann-Ghosh mail exchange on the FLOSS survey

This questionnaire is part of the FLOSS study (http://www.infonomics.nl/FLOSS/),
for any details regarding it, please use this contact e-mail address.