How many times the sparrow breeds a year

The reason why sparrows can breed one or four times a year are largely different because it is widely distributed in my country and the reproduction situation in different regions is different.The breeding period in the northern region is short, while the south is much longer, so the number of reproduction is different.This bird can reproduce at any time outside of winter. It can produce six eggs each time. After 14 days, it can be hatched. Young birds leave the nest for one month.