Of the 128 drug-resistant cases, 97 were in people born abroad.
By 1991, 9% of the population had been born abroad.
Children may also have a parent's nationality even if they were born abroad.
Four more children were born abroad, of whom only two lived past childhood.
More than 150 people born abroad have been arrested so far.
More than half of the 15,000 students were born abroad.
About 23 million workers - one in seven - were born abroad.
The couple had four children, all born abroad between 1839 and 1846.
Almost half of them, 47 percent, were born abroad, he said.
The town is predominantly white with around 9.8% of its residents being born abroad.
