Birth rate - Wikipedia
Por um escritor misterioso
Descrição
Fertility Rate - Our World in Data
Income and fertility - Wikipedia
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File:Teenage birth rates are higher in more unequal rich countries.jpg - Wikipedia
File:Birth rate, death rate and natural growth in USA since 1935.jpg - Wikipedia
File:Turkey total fertility rate by province 1980.png - Wikipedia
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por adulto (o preço varia de acordo com o tamanho do grupo)
