Seriously, I was more than willing to complete this survey until I got through the first 6 questions and saw that my percentage complete was only 10%. Rethink your survey and reduce the number of questions because filling out the answers to potentially 60 questions is not how I wish to spend my time. I am not everyone but I am sure there are a few people just like me, that passed or bailed half way through your survey because of how long it is.
Hey there - we realise that there are a lot of questions in the survey (about 30, actually), but since we investigate most of the key topics and challenges for developers today, there's a lot of ground to cover. Check out the end result from last year's survey - www.DeveloperEconomics.com (free download)