The reason of the difference above is a country whose value is very high, while most of the countries have much lower values of an indicator. In such cases Equal Region option is preferable.
Use these options to change number of bands on the map as well as their colors. Use a drop-down box to change the number of ranges from 2 to 6. By default, colors come from a current theme. However, simply start changing colors t o switch the legend to custom mode. Click the Custom button to change it back to Auto and to revert colors to the current theme.
Use this option to change the color filling area outside of the continents. To set a background color, click the color swatch to the right of the label, and pick a new color from the palette that appears.
Use this option to set up a way hints will appear when user mouseover a country on a map.