Two out of three charged with rape in Norway's capital are immigrants with a non-western background according to a police study. The number of rape cases is also rising steadily.The study is the first where the crime statistics have been analyzed according to ethnic origin. Of the 111 charged with rape in Oslo last year, 72 were of non-western ethnic origin, 25 are classified as Norwegian or western and 14 are listed as unknown. Rape charges in the capital are spiraling upwards, 40 percent higher from 1999 to 2000 and up 13 percent so far this year.