Prime-time ratings compiled by Nielsen Media Research for Dec. 18-24. Top 20 listings include the week's ranking, rating for the week and season-to-date rankings in parentheses.

An ``X'' in parentheses denotes a one-time-only presentation. The rating is the percentage of the nation's estimated 100.8 million TV homes. Each ratings point represents 1,008,000 households.

(7) 1. ``NFL Monday Night Football: St. Louis at Tampa Bay,'' ABC, 15.2, 15.6 million homes.

(2) 2. ``Who Wants to Be a Millionaire-Tuesday,'' ABC, 14.5, 14.9 million homes.

(2) 3. ``Who Wants to Be a Millionaire-Wednesday,'' ABC, 13.4, 13.7 million homes.

(5) 4. ``Everybody Loves Raymond,'' CBS, 13.2, 13.5 million homes.

(11) 5. ``Law and Order,'' NBC, 12.6, 12.9 million homes.

(10) 6. ``Who Wants to Be a Millionaire-Thursday,'' ABC, 12.3, 12.6 million homes.

(16) 7. ``Judging Amy,'' CBS, 12.2, 12.5 million homes.

(9) 8. ``The West Wing,'' NBC, 12.1, 12.4 million homes.

(14) 9. ``Becker,'' CBS, 11.7, 12 million homes.

(20) 10. ``NFL Monday Showcase,'' ABC, 11.2, 11.5 million homes.

(21) 11. ``CSI: Crime Scene Investigation,'' CBS, 9.9, 10.1 million homes.

(30) 11. ``Dharma & Greg,'' ABC, 9.9, 10.1 million homes.

(35) 13. ''60 Minutes II,'' CBS, 9.8, 10 million homes.

(4) 14. ``Friends,'' NBC, 9.7, 9.9 million homes.

(23) 15. ``King Of Queens,'' CBS, 9.4, 9.6 million homes.

(22) 16. ``Drew Carey Show,'' ABC, 9.3, 9.5 million homes.

(1) 17. ``ER,'' NBC, 9.1, 9.3 million homes.

(42) 17. ``Primetime Thursday,'' ABC, 9.1, 9.3 million homes.

(26) 17. ``Yes, Dear,'' CBS, 9.1, 9.3 million homes.

(11) 20. ``Will & Grace,'' NBC, 8.7, 8.9 million homes.