On what was the slowest weekend at the box office so far this year, American Sniper officially became the highest-grossing film of 2014, Box Office Mojo reports.

Sniper dropped out of the Top 10, landing in 11th place in its 11th weekend in theaters, but its $4.5 million weekend gross brought it up to $337.2 million overall.

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Despite finishing the weekend in first place, Chappie had a disappointing debut with just $13.3 million. Last week's No. 1 movie, Focus, dropped to second place with $10 million.

The Second Best Exotic Marigold Hotel had a solid opening, landing in third place with $8.6 million. It edged out Kingsman: The Secret Service, which earned $8.3 million.

In fifth place was The SpongeBob Movie: Sponge Out of Water with $7 million.

Fifty Shades of Grey fell two spots to sixth place with $5.6 million, followed by McFarland, USA with $5.3 million.

The Lazarus Effect and The DUFF came in at Nos. 8 and 9, with $5.1 million and $4.8 million, respectively.

Rounding out the Top 10 was Unfinished Business, which bombed with just $4.8 million, making it the worst non-limited release debut for Vince Vaughn ever.