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.