The chart is enough to illustrate a few trends.
First off, male wearers seem to trend towards longer periods between unlocks than female wearers. Anecdotal accounts that I have heard before suggest this is likely because male wearers have an easier time with hygiene while locked and thus don't need to be unlocked for cleaning as often. If I were doing a complete survey, I would like to see this data broken down by type (ie cage, cable belt, or ridged belt) and see if that plays a role.
Second, there is a noticeable dip in the results for the "multiple times a week" category compared to the 2 on either side despite the middle category actually representing a much wider range of possible responses than its nabors. This was more pronounced for female wearers but still dips below the trend line when considering only male respondents. My hypothesis would be that this is showing a trend towards routine, with tasks like cleaning and skin care being done on set schedules rather than on an ad-hawk, or as-needed basis. If this is correct, I would predict that respondents in the 1 a day or 1 a week categories would probably have unlocks on a schedule (ie specific time a day and/or day of the week) while respondents in the multiple times a week category are likely being unlocked ether on an as-needed basis or are scheduling them around some chaotic element. For example, if the wearer and keyholder both have unpredictable work schedules they might need to fit unlocks in whenever they are both available.
Obviously, this little poll isn't a rigorous scientific study, so I don't think we can set any standards off of it, but it is interesting nonetheless. I will be curious to hear if anyone else has thoughts on the results or has commentary.