Weekend boxoffice

1. National Treasure
$20.2

2. I Am Legend 16.4
3. Juno 16.2
4. Alvin & the Chipmunks 16.0
5. One Missed Call
13.5
6. Charlie Wilson's War 8.2
7. P.S. I Love You 8.0
8. The Water Horse 6.3
9. Sweeney Todd 5.4
10. Atonement 5.1

Weekend of Jan. 4-6.
Estimated figures in $ mil.