Temporal Blu-ray + DVD Sales Rankings for Spring 2012 (the first volumes)

*1, 41,121 Fate/Zero 2nd Season
*2, 21,997 Kuroko no Basket
*3, 10,424 Accel World
*2, *9,455 Hyouka
*4, *9,200 Haiyore! Nyaruko-san
*5, *7,990 AKB0048
*6, *6,966 Saki: Achiga-hen - Episode of Side-A
*7, *4,887 Eureka Seven AO
*8, *4,698 Natsuiro Kiseki
*9, *4,494 Tsuritama
10, *4,206 Lupin the Third: Mine Fujiko to Iu Onna
11, *3,759 Queen's Blade: Rebellion
12, *3,588 Nazo no Kanojo X
13, *3,499 Jormungand
14, *3,302 Sengoku Collection
15, *3,192 Kore wa Zombie Desu ka? of the Dead
16, *2,520 Acchi Kocchi
17, *2,180 Hiiro no Kakera
18, *2,059 Tasogare Otome x Amnesia
19, *2,037 Sakamichi no Apollon
20, *1,487 Sankarea
21, *1,282 Upotte!!
20, *1,133 Shirokuma Cafe
21, **,882 Kimi to Boku. 2
22, **,785 Medaka Box (vol.2)
23, **,612 Zetman
24, **,389 Ginga e Kickoff!! (vol.3)

Out of the rankings
Shining Hearts: Shiawase no Pan
Ozma
Saint Seiya Omega

Source: myanimelist