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Summary
Description |
English: Political world map shaded according to the number of cell phone(mobile)subscriptions in each country and spanning the years 1980-2009. Data is from Mathematica CountryData ( http://reference.wolfram.com/mathematica/note/CountryDataSourceInformation.html).
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Date |
15 September 2011 |
Source |
Own work |
Author |
Michael Hale |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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File usage
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