The NYPD is looking for the man they say raped a woman at gunpoint Wednesday.Police say the man entered a business on East 138th Street where the 19-year-old worked after 12 p.m. He displayed a gun and forced her into the back of the building where he raped her. She was alone at the time. The victim was treated and released from an area hospital.The incident happened as NYPD statistics claim the number of rapes in the 40th precinct has increased 46 percent in the last year. The number of felony assaults has also increased 3.8 percent.