We can try sampling. I will simply take the result of each day and post the total. It will cause the spreadsheet to be choppy, unless you sample on the same day, but charting can still occur. The best way would be to pick the same day each week and record that day.
I do agree that she is simply not doing stuff that will increase her popularity very much. About the only thing that would help would be a new album, a movie (one where Alizée appears, not Nyx), or a spot on a weekly TV program. Considering that she is in marriage mode, she may not be so inclined at the moment.