By Lynette Rice
Updated June 08, 2011 at 06:46 PM EDT

The final results are in: The goodbye episode of The Oprah Winfrey Show on May 25 averaged 16.4 million viewers, making it the most-watched installment of the daytime yakker in more than 18 years (since “Why I Love Older Women,” which aired on Feb. 15, 1993, at 17.3 million).

For the week of May 23 (Winfrey’s final three days, plus two repeats), the talk show averaged 9.9 million viewers, making it the week’s No. 1 show in syndication. It was the highest-rated week in more than four years.

Oprah finished its run as the No. 1 talk show for the 630th week in a row.

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