The prime-time season averages for the just-completed 1999-2000 television season, as compiled by Nielsen Media Research. The rating is the percentage of the nation's estimated 100.8 million TV homes. Each ratings point represents 1,008,000 households.

1. ``Who Wants to be a Millionaire-Tuesday,'' ABC, 18.7, 18.87 million homes.

2. ``Who Wants to be a Millionaire-Thursday,'' ABC, 17.5, 17.63 million homes.

3. ``Who Wants to be a Millionaire-Sunday,'' ABC, 17.1, 17.20 million homes.

4. ``ER,'' NBC, 16.9, 17.05 million homes.

5. ``Friends,'' NBC, 14.0, 14.10 million homes.

6. ``NFL Monday Night Football,'' ABC, 13.7, 13.77 million homes.

7. ``Frasier,'' NBC, 13.6, 13.74 million homes.

8. ``Frasier 9:30,'' NBC, 12.4, 12.50 million homes.

9. ''60 Minutes,'' CBS, 12.0, 12.14 million homes.

10. ``The Practice,'' ABC, 11.8, 11.94 million homes.

11. ``Touched by an Angel,'' CBS, 11.6, 11.69 million homes.

12. ``Everybody Loves Raymond,'' CBS, 11.4, 11.47 million homes.

12. ``Law and Order,'' NBC, 11.4, 11.51 million homes.

12. ``NFL Monday Showcase,'' ABC, 11.4, 11.52 million homes.

15. ``Jesse,'' NBC, 11.3, 11.42 million homes.

16. ``CBS Sunday Movie,'' CBS, 10.8, 10.92 million homes.

16. ``Daddio,'' NBC, 10.8, 10.83 million homes.

18. ``Stark Raving Mad,'' NBC, 10.7, 10.79 million homes.

19. ``NYPD Blue,'' ABC, 10.6, 10.70 million homes.

20. ``Dharma & Greg,'' ABC, 10.5, 10.53 million homes.