http://en.wikipedia.org/wiki/List_of...2_(South_Korea)
2012 #1 Singles and their corresponding Downloads for that week
(Single is measured by download + streaming + ringtone + BGM sales)
January 7 "Lovey-Dovey" T-ara
540,458
January 14 "The Story of a Tall Bachelor (Korean: 키 큰 노총각 이야기)" Jung Jun Ha
623,496
January 21 "Lovey-Dovey" T-ara
354,144
January 28 "I Knew It (Korean: 이럴 줄 알았어)" Beast
372,501
February 4 "When I Can't Sing (Korean: 내가 노래를 못해도)" Se7en
493,651
February 11 "Back In Time (Korean: 시간을 거슬러)" Lyn
353,903
February 18 "I Need You (Korean: 니가 필요해)" K.Will
396,678
February 25 "Blue" Big Bang
833,233
March 3
537,161
March 10
348,535
March 17 "I Wonder If You Hurt Like Me (Korean: 너도 나처럼)" 2AM 662,901
March 24[2] "Sherlock (Clue + Note)" Shinee 520,204
March 31 "Hey You" CN Blue 350,176
April 7 "Cherry Blossom Ending (Korean: 벚꽃 엔딩)" Busker Busker 522,232
April 14[3] 358,823
April 21 "Alone (Korean: 나 혼자)" Sistar 447,718
April 28 323,422
May 5 "Twinkle" Girls' Generation-TTS 604,870
May 12[4] "Voice (Korean: 목소리)" Baek Ji Young featuring Gary of Leessang 529,920
May 19 "Every End of the Day (Korean: 하루 끝)" IU 415,891
May 26 275,146
June 2 "Twinkle" Girls' Generation-TTS 163,646
June 9 "Monster" Big Bang 757,501
June 16 "Electric Shock" f(x) 630,510
June 23 "If You Really Love Me (Korean: 정말로 사랑한다면)" Busker Busker 388,510
June 30 388,784
July 7[5] "Loving U" Sistar 440,960
July 14 "I Love You" 2NE1 469,850
July 21 "Gangnam Style (Korean: 강남스타일)" PSY 816,868
July 28 473,372
August 4 333,592
August 11 289,995
August 18 261,797
August 25 "I Need You" Huh Gak featuring Zia 365,872
September 1 "All for You" Jung Eunji & Seo In Guk 409,284
September 8 "That XX" G-Dragon 428,762
September 15 "All for You" Jung Eunji & Seo In Guk 280,745
September 22 "Memory Of The Wind" Naul 452,899
September 29 432,591
October 6 244,051
October 13 "It's Cold" Epik High feat. Lee Hi
532,868
October 20 "Becoming Dust" Jung Joon Young & Roy Kim
525,881
October 27 "Ice Cream" Hyuna
454,650
November 3 "1, 2, 3, 4 Lee Hi
667,549
November 10
351,747
November 17
237,719
November 24 "Return" Lee Seung-gi
420,958
December 1
480,759
December 8
301,153
December 15 "Because It's Christmas" Sung Si Kyung, Park Hyo Shin,
Lee Seok Hoon, Seo In Guk, VIXX
272,901
December 22 "You Are Attractive" Akdong Musician
226,223
December 29 "Dancing Queen" Girls' Generation
263,376
SNSD I Got A Boy - 319,824
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Here's some songs that got #1 for at least 3 weeks
February 25 "Blue" Big Bang 833,233
March 3 537,161
March 10 348,535
July 21 "Gangnam Style (Korean: 강남스타일)" PSY 816,868
July 28 473,372
August 4 333,592
August 11 289,995
August 18 261,797
September 22 "Memory Of The Wind" Naul 452,899
September 29 432,591
October 6 244,051
November 3 "1, 2, 3, 4 Lee Hi 667,549
November 10 351,747
November 17 237,719
November 24 "Return" Lee Seung-gi 420,958
December 1 480,759
December 8 301,153
SNSD I Got a Boy isn't doing well because it is not that good of a song.
If it was "Oh" "Gee" "Genie" "Run Devil Run" that were release instead, they would have sold a lot more. For a group like SNSD, 319,824 MP3 sold is a disappointment. But the song wasn't that good so it was expected.