wikipedia
shipped => sold
A Song for XX: 2million => 1,4million
LOVEppears: 3million => 2,5million
Duty: 3,5million => 2,9million
I am...: 3million => 2,3million
Rainbow: 2million => 1,8million
My Story: 1,3million => 1,1million
(Miss)undersood: 1million => 877,433
Secret: 1million => 877,433
Guilty: 678,000 => 568,288
Next Level (until now): 319,656 => 650,000
http://en.wikipedia.org/wiki/Ayumi_Hamasaki_discography
But I don't really know how right is this...
by the way, if they "overshipped" NL, what about I am...? xD