2018. Collins Bartholomew Ltd. Points representing GSM (2G) mobile network operators within particular countries as of December 2018.
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2007. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of first quarter 2007.
2008. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of first quarter 2008.
2009. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of first quarter 2009.
2011. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of December 2011.
2012. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of December 2012.
2013. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of December 2013.
2014. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of December 2014.
2014. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of December 2015.
2016. Collins Bartholomew Ltd. Representation of the area covered by 3G mobile communications around the world as of December 2016.