Here is the weekly DVD sales ranking for March 22nd - 28th.

*1, 17,730 17,730 Durarara!! vol.2 Limited Edition
*2, 15,720 15,720 Hetalia Axis Powers vol.8 Limited Edition
*3, 12,563 12,563 The Melancholy of Haruhi Suzumiya (2009) vol.8 Limited Edition
*4, *9,938 *9,938 Gintama vol.6
*5, *8,168 *8,168 Ookiku Furikabutte ~Natsu no Scorebook~
*6, *6,707 *6,707 Kimi ni Todoke vol.4
*7, *6,636 89,506 Summer Wars DVD
*8, *6,531 *6,531 Aria the Origination DVD-Box
*9, *5,922 *5,922 Toaru Kagaku no Railgun vol.3 Limited Edition DVD
10, *5,898 *5,898 Fullmetal Alchemist: Brotherhood vol.8 DVD
11, *5,112 *5,112 Harukanaru Toki no Naka de 3 ~Kurenai no Tsuki~ Limited Edition
12, *4,934 *4,934 Sora no Otoshimono vol.4 Limited Edition
13, *4,912 *4,912 Winter Sonata Event DVD-Box
14, **,*** **,*** Tales of Symphonia: Tethe'alla Hen vol.1 Collector's Edition
15, **,*** **,*** Bleach Hamen Kuza Kessen Hen vol.2
16, **,*** **,*** Higashi no Eden - Movie I: The King of Eden Standard Edition DVD
17, **,*** **,*** Omamori Himari vol.1 Limited Edition
18, **,*** **,*** Darker than BLACK - Ryuusei no Gemini vol.4 DVD
19, **,*** **,*** The Melancholy of Haruhi Suzumiya (2009) vol.1 Limited Edition
20, **,*** **,*** Tono to Issho
21, **,*** **,*** Hidamari Sketch x ☆☆☆ vol.1 Limited Edition DVD

Source: Youtaiju, Oricon DVD Ranking

Ponyo First Week Sales in US
DVD 222,000 units
Blu-ray 114,000 units (estimation)

Sources: The Numbers, Home Media Magazine