When it comes to prime-time non-sports programming so far this season, ABC leads in the TV currency that matters most to advertisers -- as well as getting top numbers when it comes to upscale viewers.Through Nov. 25, ABC has been averaging a 2.15 rating among 18-49 viewers in the Nielsen C3 metric -- commercial ratings plus three days of time-shifted ratings. CBS was next at 2.10, followed by NBC at 2.03; Fox with 2.03; and CW at 0.57. C3 ratings are the virtual TV currency for all national TV advertisers when it comes to media deals. As it was a year ago, at this point in the season, ABC was again tops in higher-income 18-49 viewers who make $100,000 and more. ABC scored a 2.58 C3 rating, followed by NBC with a 2.21; CBS at a 2.14; Fox at a 1.90; and CW with 0.40. ABC also was tops in other upscale-focused categories -- including those viewers with four years or more of college education and those with professional occupations.Adam Gerber, vice president of sales development and marketing for ABC, told MediaPost: "It's not just the fact that we are winning most of the core age and gender breaks, but our affluency numbers are the best of the broadcast networks across the board."A year ago, CBS and Fox shared the lead with 18-49 viewers, with both averaging a 2.62 C3 number. (Fox eventually edged ahead for the entire fourth quarter of 2011). ABC was next at a 2.42, followed by NBC at a 1.44; and CW with a 0.67.Even without including TV sports, mostly from "Sunday Night Football," NBC was the only network to improve year-over-year this season, coming from multiple nights of "The Voice" and, to a lesser extent, with new show, "Revolution."CBS has led this season among all viewers 25-54 in C3 with a 2.84 rating, followed by ABC with a 2.70; NBC at a 2.42; Fox with a 2.20; and CW at a 0.60.ABC was also best in two other key categories -- women 18-49 and women 25-54. ABC earned a 2.82 C3 rating among women 18-49, followed by NBC at 2.47; CBS with 2.44; Fox at 2.26; and CW with 0.71. Among women 25-54, ABC scored a 3.52 rating, followed by CBS at a 3.24; NBC at 2.93; Fox at 2.40; and CW at 0.72.Looking at individual TV prime-time programs, CBS' "The Big Bang Theory" has the best C3 18-49 numbers so far this season when looking at non-sports programming: 4.97 rating. ABC's "Modern Family" is next at 4.78. NBC's "The Voice" had a 4.27 rating for its Monday performance show. NBC's "Voice" Tuesday results is posting a 3.78 rating.CBS' "Two and a Half Men" and ABC's "Grey's Anatomy" tied at a 3.63 rating. NBC's "Revolution" was at 3.34; ABC's "Once Upon A Time", 3.33; CBS' "2 Broke Girls", 3.31; and CBS' "NCIS", 3.29.