Mmh, not entirely sure what you mean? 
The values are the median, the middle value of a sample.
For my site, that has not changed, e.g. for flights the middle value of the last 7 days is 3128, and that is shown on the nearby sites table.
3065 2.
3017. 1.
3272 7.
3237 6.
3173 5.
3128 4.
3079 3.