Analysis of trends in PPPs based on Google search data di Francesco Saverio E. Profiti
Numbers represent search interest relative to the highest point on the chart. If, at most ,10% of searches for the given region and time frame were for “pizza,” we’d consider this 100. This doesn’t convey absolute search volume. Numbers represent search volume relative to the highest point on the map which is always 100. Click on any region/point to see more details on the search volume there.