Bartlby ,are your files are 50-100 mb range cause your ratio is 10-12$ /1000 download.
You may post mp3, or small clips or ebooks with this data range. Or may be amateur web cams
airedit, your range is 17-20$/1000 download your range is 100-250 mb and may be posting splitted movies
(splitted dvdrips) or adult clips are in these range, most bluerays are 400-800 mb in internet world
or may be Huge pack of mp3 or splitted file of softwares. Not Huge files.
and how many forums are you posting ? using autoposter ???? These are important points
And amateurs are crying cause professional posters use softwares or editor in several places
or VIP. And a normal member (newbie) can not get these value, takes may be months to be a KNOWN member there.