In first place was SG Wannabe (debut year 2004) with a total of 24 hit songs, including three collaborations they did with Kim Jong Kook, Brown Eyed Girls, and KCM. In second place was Big Bang (2006) for a total of 22 songs all on their own, meaning no collaborative works! For reference, sub-unit GD & T.O.P had two hit songs "High High" and "Oh Yeah."
Read more: http://www.allkpop.com/article/2014/01/sg-wannabe-big-bang-davichi-and-2ne1-have-the-most-digital-hit-songs-over-the-past-decade#ixzz2puGu71ZA
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