Here is the yearly anime CD sales ranking for December 22nd 2008 - December 21st 2009.
I manually picked up anime related titles from Oricon general CD rankings top 100. If I miss some titles, please let me know. Thank you.

Single CD
*1, 174,508 One Piece OP "Share The World" by TVXQ
*2, 169,388 K-ON! ED "Don't say lazy" by Toyosaki Aki etc.
*3, 163,634 Fullmetal Alchemist: Brotherhood OP "again" by YUI
*4, 150,458 K-ON! OP "Cagayake! GIRLS" by Toyosaki Aki etc.
*5, 147,947 Bleach - Fade to Black: Kimi no Na wo Yobu "Koyoi, Tsuki ga Miezutomo" by Porno Graffiti
*6, 106,282 Fullmetal Alchemist: Brotherhood ED "Uso" by SID
*7, 102,577 Cross Game OP "Summer Rain" by Kobukuro
*8, *81,491 Bakemonogatari ED "Kimi no Shiranai Monogatari" by supercell
*9, *80,491 K-ON! "Fuwafuwa Time" by Toyosaki Aki etc.
10, *62,630 Bleach OP "Anima Rossa" by Porno Graffiti
11, *61,078 White Album OP "Shin Ai" by Mizuki Nana
12, *60,096 Mobile Suit Gundam 00 2nd Season OP "Namida no Muko" by Stereopony
13, *60,088 White Album 2nd Season OP "Mugen" by Mizuki Nana

Album CD
*1, 186,116 Gintama Best
*2, 117,501 Bleach Best Tunes
*3, 117,132 Macross Frontier "Nyan Tama" by Kanno Yoko (Dec 2008)
*4, 110,349 K-ON! "Hokago Teatime" by Toyosaki Aki etc.
*5, 106,136 Studio Ghibli Theme Songs
*6, 105,717 Hatsune, Miku "supercell" by supercell
*7, 100,970 Rosario + Vampire Capu2 & White Album "Ultimate Diamond" by Mizuki Nana
*8, 100,526 Mobile Suit Gundam 00 Complete Album

Music Blu-ray
*1, 14,803 Macross Frontier Galaxy Tour Final
*2, 11,670 Nana Mizuki Live Fighter Blue x Red Side
*3, *3,354 Tamura Yukari Love Live Dreamy Maple Crown
*4, *3,243 Animelo Summer Live 2008

Sources:
Youtaiju *account required
Oricon Yearly Music Ranking