Nebraska Per Capita Income 2010
The dataset has 1 identical value(s). There are 69 different shadings in this map and 24 areas have the same shading.
That means the map is 24.73% classed or 75.27% unclassed (as a result of insufficient available shadings).
The minimum (non-zero) difference between data values is 1.00000.
If there are no identical values, 15813 shadings or colors would be needed to properly display this map as an unclassed choropleth map.