If I may ask, what's the purpose of your survey?
I couldn't get past the first question because it presumed my choice of retirement CCW weapons is predicated upon a "primary" caliber, which isn't the case.
Instead, just like when I was carrying an off-duty weapon, it's primarily the size/type of concealable weapon that's thought to be appropriate and suitable to the anticipated conditions and circumstances I envision, that primarily concerns me, and doesn't involve a specific "primary caliber", per se.
Caliber is of much less concern to me than the size, type, design and reliability of the actual weapon, itself.
Is there a reason you're interested in caliber and ammunition type for your survey?
I looked at the other link for the ongoing "results", and it quickly got mired down in the minutia of bullet weights & styles within various calibers, etc.
Even as a longtime LE firearms instructor, it's hard to generate much interest in personal choices of gear, compared to the gear user's personal knowledge, skills and demonstrated abilities.
Kind of like asking if a motorist has a primary brand and octane rating of the gasoline they use every day.