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。
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。
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