] Despite moral watchdogs lamenting Hollywood's vile
] tendencies, the studios have actually been cleaning up
] their act. R-rated films, once the studios' mainstay, are
] on the decline, both in numbers and in lure. In the last
] five years, R-rated pics have dwindled from 212 in 1999
] to just 147 last year.

It will be 80 years before this pendellum swings back.

Variety.com - Don't give me an 'R'