In less than two years the RIAA has sent copyright infringement notices to 1.8 million Internet subscribers and 269,609 to colleges and universities. Despite this staggering average of more than a million infringement notices every year from the recording industry alone, the effect on file-sharing levels seems unnoticeable.

Source: http://torrentfreak.com/riaa-warns-1-milli...-a-year-100704/