It could be said that some of their ancestors were the first Europeans to discover North America in 1000 AD (see Leif Ericson). Other Normans came to Canada from countries that they had immigrated to after the Edit de Nantes had been revoked in 1685.
Can a circle graph be used to display data from a histogram? What type of data can line graphs display? Line graphs are used to display data to show how one variable (the  Responding variable) changes in response to another variable (the  Manipulated variable). Making the world better, one answer at a time.
If you created a graph that shows the frequency of keywords on the vertical axis and the keywords ordered from most frequently used to least on the horizontal axis, you would find a very high but narrow peak for the common terms and a very, very long tail of numerous keywords that individually have few queries.