Here is the Anime DVD sales rankings for March 23rd - 29th.

*1, 18,756 18,756 Code Geass - Hangyaku no Lelouch R2 vol.8 *without Blu-ray
*2, 17,049 17,049 Mobile Suit Gundam 00 Second Season vol.2 *without Blu-ray
*3, 13,655 13,655 Macross Frontier vol.8 *Blu-ray approx. 18,000
*4, 13.432 13,432 Gintama Season 3 vol.8 Limited Edition
*5, 10,706 10,706 Kuroshitsuji vol.3 Limited Edition
*6, *9,348 *9,348 Toradora! vol.3 Limited Edition
*7, *8,537 *8,537 Kannagi vol.5 Limited Edition
<7,804
*8, **,*** **,*** Hidamari Sketch x 365 vol.7 Limited Edition
*9, **,*** **,*** Aria the Animation DVD-BOX
10, **,*** **,*** Sekirei vol.6 Limited Edition
11, **,*** **,*** Junjo Romantica 2 vol.3 Limited Edition
12, **,*** **,*** Tales of the Abyss vol.2 *without Blu-ray
13, **,*** **,*** To Aru Majutsu no Index vol.3 Limited Edition *without Blu-ray
14, **,*** **,*** To-LOVE-Ru vol.9
>5,200
<5,150
15, **,*** **,*** La Maison en Petits Cubes
16, **,*** **,*** Ichigo Mashimaro encore vol.2 Limited Edition
17, **,*** **,*** Maria†Holic vol.1
<4,424
18, **,*** **,*** Chrome Shelled Regios vol.1 Limited Edition
19, **,*** **,*** Zero no Tsukaima ~Princesses no Rondo~ vol.7
20, **,*** **,*** Bleach Shintaicho Amagai Shukusuke hen vol.5 Limited Edition
>3,975

Source: Oricon Anime DVD ranking
Source: Mainichi
Source: Oricon YouTaiju Service *account required

Ref. The complete data for March 16th - 22nd.
*1, *8,248 33,735 La Maison en Petits Cubes
*2, *5,036 *5,036 Eiga Yes! Precure 5 GoGo! Okashi no Kuni no Happy Birthday Limited Edition
*3, *3,154 *3,154 Katekyo Hitman Reborn! Mirai-hen vol.7
*4, *1,826 33,472 The Sky Crawlers
*5, *1,189 *1,189 Neo Angelique Abyss Second Age vol.4
*6, *1,076 *1,076 Eiga Yes! Precure 5 GoGo! Okashi no Kuni no Happy Birthday Normal Edition
*7, *1,073 *4,912 Dragon Ball Movie 1: Curse of the Blood Rubies
*8, *1,068 *4,889 Dragon Ball Movie 3
*9, *1,042 *4,836 Dragon Ball Movie 2
<982
10, **,*** **,*** My Neighbor Totoro
11, **,*** **,*** Yozakura Quartet vol.4
12, **,*** **,*** Yes! Precure 5 GoGo! vol.11
13, **,*** **,*** Yes! Precure 5 GoGo! vol.12
14, **,*** **,*** Dokan-kun DVD-BOX
15, **,*** **,*** Biohazard: Degeneration
16, **,*** **,*** Hajime no Ippo DVD-BOX vol.2
17, **,*** **,*** Blassreiter vol.8