Pad Stats in Etherpad

Get the following Stats in Etherpad:

Characters (no whitespace) Characters (with whitespace) Word Count Revision Count Saved Revision Count # of Authors Author Stats Number of Words Contributed to Number of Lines Contributed to Lines as Only Contributor Number of Characters (Including Whitespace) Number of Characters (Excluding Whitespace)

Pricing is 400$ per commercial license, 40$ for non-commercial/explicit not for profit.