Why do the total counts in the Sex Assigned at Birth, Age, Sources, and Values graphs differ from the total participants count?

One of the steps All of Us takes to protect participant privacy in the Data Browser is to round all participant counts to the nearest multiple of 20. This is especially important for medical concepts, survey answers and demographic breakdowns that have relatively few participants. For example, participant counts of 0 – 20 are all rounded to 20. A participant count of 426 is displayed as 440 and so on. Because of this privacy methodology, the counts on the Sex Assigned at Birth, Age, Sources, and Values graphs may add up to more than the total participants count.