Map of GMO cultivated areas as a % of total

http://en.biosafetyscanner.org/mappa_superfici_percentuali.php

The Interactive map at the site allows the selection of other crops

All data used for the processing of the software is derived from institutional websites of GMO responsible national authorities and, failing that, from the scientific bibliography of the sector or produced by non- governmental bodies.
http://en.biosafetyscanner.org/faq.php#5