Incidentally, I can think of a couple years where my top ten is dominated (fifty percent or more) by American movies. And I mean all American movies--not British or Canadian or Kiwi.
1955
1. Ordet
2. The Night of the Hunter
3. Nuit et brouillard
4. All That Heaven Allows
5. Moonfleet
6. Guys and Dolls
7. A Generation
8. Rebel Without a Cause
9. Artists and Models
10. The Trouble With Harry
1977
1. Eraserhead
2. Cet obscur objet du désir
3. Providence
4. Stroszek
5. The American Friend
6. Killer of Sheep
7. Opening Night
8. 3 Women
9. Saturday Night Fever
10. Le Diable probablement
1991
1. Les Amants du Pont Neuf
2. La Belle noiseuse
3. Life, and Nothing More...
4. The Passing
5. La Double vie de Véronique
6. Defending Your Life
7. Jungle Fever
8. Naked Lunch
9. My Own Private Idaho
10. Slacker