CNN ‘s Christiane Amanpour is ending her relationship with CBS ‘”60 Minutes,” where she ‘d contributed on a

part-time basis since 1996.

“I have concluded this unique arrangement has now run its course and therefore I have decided not to seek a re-

newal of my contract with ’60 Minutes,'”Amanpour said in a statement.Some believe Amanpour wasn ‘t thrilled with

the amount of face time she was getting on “60 Minutes.”

*

Nielsen has released some interesting facts pertaining to “Everybody Loves Raymond ,”which wraps its nine-season run Monday night.The show,which premiered in 1996,averaged 10.3 million viewers its first season,a number which grew to 12 million the next season and 14 million in its third season – reaching a high of 17.7 million viewers in the 2001-02 season.This season,”Raymond “is averaging 16.7 million viewers. It ‘s also interesting to note that a 30-second ad on “Raymond “cost $79,000 that first season – compared to $314,000 this season – while Canada Dry Ginger Ale topped the list of “Raymond ” product placements over the years in total screen time.

Last, but not least:

* E!is building a limited-run reality show around Playboy founder Hugh Hefner and his many girlfriends,The Post ‘s Don Kaplan hears.

* Motley Crue – yes,that Motley Crue – is teaming with “America ‘s Most Wanted “on tomorrow ‘s episode to help

find one of the band ‘s missing fans (9 p.m./Ch.5).

* Sunday on Ch.2 (11 a.m.): Democratic mayoral hopefuls Fernando Ferrer ,Virginia Fields ,Giff Miller and Anthony Wiener debate.Andrew Kirtzman moderates.

* All soaps,all the time on this weekend ‘s “Extra .”

* Sunday on FNC:”Are Your Kids Safe?,”hosted by John Gibson (9 p.m.).

* Sunday:Judge Glenda Hatchett gives the commencement address at Morehouse College in Atlanta.

* Ch.9 ‘s Storm Field emcees the 2005 Panasonic New Vision Awards this Monday.

* Tuesday:Molly Sims reveals the winner of Cover- girl ‘s “Fresh Face of Country Music “during the Country Music Awards (8 p.m./Ch.2).

* Congrats to Kate Fisher , who ‘s been promoted to publicity director at CBS.