I think the country is France. It is difficult to find another one where so many directors have tried to create their own formal languuage in creating films, wether we like them or not.
Moreover, French film industry receives official support from longtime ago. Their films obtain 35% of share in their own country, while other countries like Spain see that their films get hardly a 12% every year.
The problem is that it is possible to see good cinema in France, but also pretty bad one. The excessive dependance on literature texts was critiziced by Truffaut in th 50s, but it continues. You can see the filmography of Gerard Depardieu to see that.
About the best cinema in the recent years, maybe the british one, with all the singular contributions from social cinema, Ken Loach, Mike Leigh, and now Stephen Daldry with Billy Elliot.
The 