In the Drindian Empire, censuses were conducted annually to determine the population of each village.

在 Drindian 帝国，人口普查每年进行一次，以确定每个村庄的人口。

They were not as forthcoming in previous censuses.

在此前的人口普查中他们没有被视为是可亲的。

Nobody then really had any idea; there were few censuses.

当时真没人对此有什么概念，因为几乎没有做过人口普查。

Also, we don't have accurate censuses until the 19th century.

况且，直到十九世纪我们才有了，精确的人口普查。

Data derived from population censuses is useful for social researchers.

从人口普查中得到的数据对社会研究者们很有用处。