Unclassed Choropleth Maps

The unclassed choropleth map to the left is one that shows fertility rates in Europe. However, because it is an unclassed choropleth map, the shading of other countries fertility rates are directly related to the country with the highest fertility rate....which sets the shade so to speak.

Its URL is: http://images.google.com/imgres?imgurl=http://www.esds.ac.uk/international/images/uchoropleth.gif&imgrefurl=http://www.esds.ac.uk/international/support/user_guides/gisoverview.asp&usg=__wM_v7xf-Brm4zbymwKkZwfnGQXI=&h=289&w=454&sz=45&hl=en&start=6&um=1&tbnid=O9dCkATpsA3MoM:&tbnh=81&tbnw=128&prev=/images%3Fq%3Dunclassed%2Bchoropleth%2Bmap%26hl%3Den%26rls%3Dcom.microsoft:*:IE-SearchBox%26rlz%3D1I7GZFA%26um%3D1