Well the processing rate depends upon several factors the major step for few countries applicnts is BGC.countries with security issues/wars/terrorism issues are screend more in detail through canadian intel that might be time consuming. till pre-arrivals its upto LVOAre different countries processed at different rates at LVO? For example Ukraine vs Pakistan, etc
once bgc starts lvo has no control over it how much time it might take.
Lvo does diffrentiate btwn applicnts from diffrent countries as per looking into file flow from diff countires