Here is the Anime DVD sales rankings for May 11th - 17th.

*1, 4,200 *4,200 Minami-ke Okaeri vol.2
**, 3,629 73,088 (Wall-E)
*2, 2,607 17,144 Clannad ~After Story~ vol.6 Limited Edition
**, 2,333 60,074 (Wall-E 2-Disc Special Edition)
*3, 2,066 *2,066 One Piece 9th Season vol.17
*4, 1,971 *1,971 Naruto: Shippuuden Hidan Kakuzu no Shou vol.4
**, *,*** **,*** (Tinker Bell)
**, *,*** **,*** (Monsters Inc.)
*5, 1,*** **,*** Isshoni Training
*6, *,*** **,*** Tengen Toppa Gurren Lagann Movie Gurren-hen Limited Edition
*7, *,*** **,*** Tetsuwan Birdy Decode:02 vol.2 Limited Edition
*8, *,9** **,*** My Neighbor Totoro
*9, *,8** **,*** La Maison en Petits Cubes
10, *,*** **,*** Shikabane Hime: Kuro vol.1
11, *,*** **,*** Naruto Shippuuden: Gekijouban Naruto Shippuuden: Kizuna Limited Edition
12, *,*** **,*** Hetalia Axis Powers vol.1 Limited Edition
13, *,*** **,*** Mobile Suit Gundam 00 Second Season vol.3
14, *,*** **,*** Kiki's Delivery Service
15, *,*** **,*** Castle in the Sky

Source: Oricon Anime DVD ranking
Source: Oricon YouTaiju Service

Ref. the full data of the last week's ranking
*1, 14,537 *14,537 Clannad ~After Story~ vol.6 Limited Edition
*2, *2,450 *13,300 Isshoni Training
*3, *1,965 *31,072 Tengen Toppa Gurren Lagann Movie Gurren-hen Limited Edition
*4, *1,550 *18,227 Naruto Shippuuden: Gekijouban Naruto Shippuuden: Kizuna Limited Edition
*5, *1,434 912,634 My Neighbor Totoro
*6, *1,185 *49,363 La Maison en Petits Cubes
*7, *1,083 *20,854 Mobile Suit Gundam 00 Second Season vol.3
*8, **,831 *24,990 Code Geass - Hangyaku no Lelouch R2 vol.9
*9, **,821 *18,298 Macross Frontier vol.9
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10, **,*** **,*** Castle in the Sky
11, **,*** **,*** Kiki's Delivery Service
12, **,*** **,*** Skip Beat! vol.4
13, **,*** **,*** Kuroshitsuji vol.4
14, **,*** **,*** Hetalia Axis Powers vol.1 Limited Edition
15, **,*** **,*** Gintama Season 3 vol.9