Overall growth 2007 vs 2006 for TNS measured media (see notes) is 0,2 % and massive below price increase during this periode.
Only 210 consumer and 317 business publications are measured. A small and selected fraction of all magazines and you might guess, not so representative for the whole market, either.
Overview Share of Media Category 2004 - 2007
Link: Press release TNS Media Intelligence
American Busines Media Advertising Results 2007