Legend (Rio_Senior_Population)

Senior Population (0) 1 Dot = 3 senior_pop

Senior Population (1) 1 Dot = 6 senior_pop

Senior Population (2) 1 Dot = 12 senior_pop

Senior Population (3) 1 Dot = 25 senior_pop

Senior Population (4) 1 Dot = 50 senior_pop

Senior Population (5) 1 Dot = 100 senior_pop

More than 10% Seniors (6)