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Symantec. (December 7, 2010). Percentage of spam sources by spam volume and continent in 2010 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/270913/distribution-of-global-spam-sources-by-volume-and-world-region/
Symantec. "Percentage of spam sources by spam volume and continent in 2010." Chart. December 7, 2010. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/270913/distribution-of-global-spam-sources-by-volume-and-world-region/
Symantec. (2010). Percentage of spam sources by spam volume and continent in 2010. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/270913/distribution-of-global-spam-sources-by-volume-and-world-region/
Symantec. "Percentage of Spam Sources by Spam Volume and Continent in 2010." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 7 Dec 2010, /statistics/270913/distribution-of-global-spam-sources-by-volume-and-world-region/
Symantec, Percentage of spam sources by spam volume and continent in 2010 ÌÇÐÄÆƽâ°æ, /statistics/270913/distribution-of-global-spam-sources-by-volume-and-world-region/ (last visited July 30, 2026)
Percentage of spam sources by spam volume and continent in 2010 [Graph], Symantec, December 7, 2010. [Online]. Available: /statistics/270913/distribution-of-global-spam-sources-by-volume-and-world-region/
