Here is the yearly album anime CD Ranking for 2010. (Dec 20 2009 - Dec 12 2010)

*1, 248,899 One Piece "Memorial Best"
*2, 182,468 K-ON!! "Hokago Teatime II"
*3, 135,899 Fullmetal Alchemist: Brotherhood "Final Best"
*4, 124,514 Mizuki Nana "Impact Exciter"
*5, *94,351 Nodame Cantabile Live Action Movie "Final Movement"
*6, *91,946 Angel Beats! "Keep The Beats!"
*7, *83,168 Hatsune Miku "Vocalogenesis"
*8, *70,663 Mobile Suit Gundam 00, D.Gray-man, Bleach "Neo Sound Best" by UVERworld
*9, *67,108 Sakamoto, Maaya "15th Anniversary Best Album everywhere"
10, *60,394 Hatsune Miku "Vocaloanthems"
11, *56,510 Naruto "Best Hit"
12, *46,749 Hatsune Miku"Vocalolegend"
13, *43,063 Hatsune Miku "Hatsune Miku no Shoshitsu"
14, *38,733 Macross Frontier "cosmic cuune"
15, *35,421 Bleach "Berry Best"
16, *32,625 Nodame Cantabile Live Action Movie "Complete Best 100"
17, *29,077 Toaru Kagaku no Railgun "infinite synthesis" by fripSide
18, *27,913 Nakagawa, Shoko "Shokotan☆Cover 3"
19, *27,818 Sora no Woto, Kuroshitsuji, Eve no Jikan (Movie) "Red Moon" by Kalafina
20, *26,663 Tamura Yukari "Citron no Ame"

21, *26,241 Chihara Minori "Sing All Love"
22, *24,432 Ghibli movies "Studio Ghibli no Uta"
23, *22,818 Macross Frontier: Itsuwari no Utahime "Universal Bunny" by May'n
24, *21,459 Seikimatsu Occult Gakuin, Fullmetal Alchemist: Brotherhood "Cosmic Inflation" by Nakagawa Shoko
25, *21,328 Karigurashi no Arrietty "Soundtrack"
26, *20,905 Macross Frontier "Nyan Tama" (2008) total sales: 224,487
27, *20,432 K-ON! "Hokago Teatime" (2009) total sales: 130,781
28, *20,286 Higashi no Eden Movies I & II "amp-reflection" by school food punishment
29, *20,086 Hatsune Miku "Project DIVA -2nd Nonstop Mix Collection"
30, *18,926 Hayashibara, Megumi "Choice"
31, *18,767 Phantom: Requiem for the Phantom, Princess Resurrection "La Vita Romantica" by Ali Project
32, *18,205 Sengoku Basara "Game Best"
33, *17,537 Hatsune Miku, Megurine Luka "magnet -favorites plus-"
34, *16,465 K-ON!! "Band Yaro-yo!! ~Let's Music!!~"
35, *16,246 Sengoku Basara "Anime Best"
36, *15,832 Katekyo Hitman Reborn! "Character Album Song "Blue" ~rivale~"
37, *15,645 Angel Beats! "Girls Dead Monster official band score Keep The Beats!"
38, *15,471 Karigurashi no Arrietty "Kari-gurashi"
39, *14,670 Hatsune Miku "Best ~Impacts~"
40, *14,637 InuYasha "Best Song History"
41, *14,523 Hetalia Axis Powers "Drama CD Interval vol.2"
42, *14,419 Hatsukoi Limited, Sora no Manimani "A.T,M.O.S.P.H.E.R.E." by Sphere
43, *14,376 Katekyo Hitman Reborn! "Character Album Song "RED" ~famiglia~"

Source: Youtaiju