A more useful map would have ranges like 0-5000, 5000-10000, 10000-15000, 15000-20000, and over 20000.
Ang isang mas kapaki-pakinabang na mapa ay may mga saklaw tulad 0-5000, 5000-10,000, 10,000-15,000, 15,000-20,000, at higit sa 20000.