There were as of April 1st 2005 82,123 IDN registrations out of 352,796 at Dot JP some 23% of all registration, up from 44,423 out of 258,323 on April 1st 2004 when they represented just 17% of the total.
Refs:
http://jpinfo.jp/stats/ http://66.102.9.104/search?q=cache:I...jp+stats&hl=en
It will be interesting to know what the dot com figures are, as there are many more dot coms registered by the Japanese than their own dot JP.
Regards
Dave Wrixon