Prime time ratings as compiled by Nielsen Media Research for March 16-22. Top 10 listings include the week's ranking, with rating for the week and season-to-date rankings in parentheses. Top 20 listings include total homes.

An ``X'' in parentheses denotes one-time-only presentation. The rating is the percentage of the nation's estimated 98 million TV homes. Each ratings point represents 980,000 households.

1. (2) ``Seinfeld,'' NBC, 20.8, 20.3 million homes.

2. (X) ``Seinfeld,'' NBC, 16.3, 15.9 million homes.

3. (4) ``Friends,'' NBC, 15.9, 15.5 million homes.

4. ``Caroline in the City,'' NBC, 15.7, 15.3 million homes.

4. ``Just Shoot Me,'' NBC, 15.7, 15.3 million homes.

6. (X) ``Frasier,'' NBC, 14.2, 13.9 million homes.

6. (7) ``60 Minutes,'' CBS, 14.2, 13.9 million homes.

8. (9) ``CBS Sunday Movie: It Could Happen to You,'' CBS, 14.0, 13.7 million homes.

9. (6) ``Touched by an Angel,'' CBS, 12.9, 12.6 million homes.

10. ``Dateline NBC-Monday,'' NBC, 12.1, 11.8 million homes.

10. (X) ``Dateline NBC-Wednesday,'' NBC, 12.1, 11.8 million homes.

12. ``Frasier,'' NBC, 12.0, 11.7 million homes.

13. ``Drew Carey Show,'' ABC, 11.8, 11.5 million homes.

14. (10) ``Home Improvement,'' ABC, 11.6, 11.3 million homes.

14. ``20/20,'' ABC, 11.6, 11.3 million homes.

16. ``Ally McBeal,'' Fox, 10.8, 10.5 million homes.

17. ``Mad About You,'' NBC, 10.5, 10.2 million homes.

18. ``Lateline,'' NBC, 10.2, 9.9 million homes.

19. ``Dateline NBC-Sunday,'' NBC, 9.9, 9.7 million homes.

19. ``Dateline NBC-Tuesday,'' NBC, 9.9, 9.7 million homes.

19. ``20/20,'' ABC, 9.9, 9.7 million homes.

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