"Any more, the difference between a white collar worker and a blue collar worker is simply a matter of shirt preference." (Madison, Wisconsin, 1973)[1]

"Everything we do anymore seems to have been done in a big hurry." (Kingston, Ontario, 1979)[1]

"I'll be getting six or seven days' holiday anymore." (Belfast, Northern Ireland, 1981)[4]

"Anymore we watch videos rather than go to the movies." (Philadelphia, Pennsylvania, c. 1991)[12]

I was trying to emphasize that it was long-established, but here's the examples in the literal article I linked if you couldn't be arsed to click on it.