NEW YORK: America's top twenty cable TV channels notched an extra $500 million (€374m; £253m) in ad revenues last year, according to new data from TNS Media Intelligence. Total spend rose to $12.5 billion, although the top four channels - ESPN, TNT, MTV and Nickelodeon - were unchanged over 2005.

ESPN's ad revenue was $1.52bn, up from $1.44bn the year before, while number two TNT slipped a little to $1.05bn, from £1.15bn in 2005.

Time Warner saw four of its cable channels among the top 20, the most successful being Cartoon Network. It added more than $90m to its total ad revenue of $398m.

Viacom's channels, which include MTV and Nickelodeon, continued to perform well, especially BET, where ad revenue climbed from $357m in 2005 to $401m last year.

Meanwhile Fox News Channel broke through the half-billion dollar barrier in 2005 rising to $532m, a figure that pushed it up to ninth place in the cable advertising league.

Data sourced from; additional content by WARC staff