Panel show Fat Quiz of the Year" on Channel 4 since 2004. On the radio, "The News Quiz", "Just a Minute", "I'm Sorry I Haven't a Clue" and "The Unbelievable Truth" are among the most popular and long-running panel shows, all of which air on BBC Radio 4. British comedy panel shows feature mainly male guests. A 2016 study that analyzed 4,700 episodes from 1967 to 2016 found that 1,488 of them had an all-male lineup, and only one an all-female cast. The proportion of women rose from 3% in 1989 to 31% in 2016. Australian panel shows include advertising-focused "The Gruen
Radio comedy are WSRN's "Audience of Two", Garrison Keillor's work on Minnesota Public Radio: "A Prairie Home Companion" and "Comedy College", and NPR's "Car Talk", a comedy show thinly disguised as car advice, and "Wait Wait... Don't Tell Me!". Shows featuring comedic music are also popular; one of the better known national comedy music programs is the long-running weekly program hosted by Dr. Demento, and several other local stations (mostly college radio, freeform and eclectic formats) have similar programs. Several networks program 24 hours a day of stand-up comedy routines; several channels on the Sirius XM Radio platforms focus on this format,