It would be very difficult to do a survey at the world. There is not a central point that could be a focal point to do a survey.
We thought of this in the past and several years ago when we did try it the results were as bad as mail surveys, response was around 3%.
Nelsonville has a single registration point. All shooters pass through it and go upstairs to get score cards and range assignments. That is where the survey will be turned in.
The finals of the National Triple Crown are a good representation and have in the past given a solid reading of the total.
ken12