survey on the popular PCB design software

[cow1026]

hi,I am final year student, studying Higher diploma in Electronic Engineering with Business Management in Hong Kong Institute of Vocational Education. We are going to survey on the most popular PCB design software in the market and some other thing of PCB for our final year project.
Please spend a few minutes to fill in all provided questions.In order to have deeper investigation in it, I really need your opinions.
Thank you very much.
http://www.my3q.com/home2/189/benny72087/plzhelp.phtml

 

[nick_kao]

In my factory, our department adopts Cadence PCB Studio for pcb design. Please refer to this.

 

[Iouri]

Where is English survey??