Warner Bros' The Polar Express: An Imax 3D Experiencecontinued its record-setting running at the North American holiday box office,earning $7.18m on 62 screens during the 10-day holiday period from Dec 24 toJan 2 for a per-screen average of $116,000.

The picture's three-day gross on the ultimate weekend of 2004 was $2.1m, anincrease of roughly 12% over the previous weekend and a match of its openingweekend take.

Estimated worldwide box office stands at $35m after eight weeks. The picture'sdomestic screen average is around $500,000. Reporting sold-out shows around theworld, Imax Corp claims the results are virtually unprecedented for its DMRconversions.

In a statement, co-chairmen and co-chief executiveofficers Richard Gelfond and Brad Wechsler said the film had surpassed allexpectations and demonstrated how their technology can boost the fortunes of aHollywood blockbuster.

"[It] marks a key milestone in our effort to make Imax theatres the place tosee event films, and with a number of impressive titles already in place fornext year, we believe the buzz among consumers will continue to grow.'

As previously reported, Warner Bros will release a DMR version of its Charlie And The Chocolate Factory nextJuly.