<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: All data referred to in the manuscript are available on the internet for public downloading.   ftp://ftp.datasus.gov.br/dissemin/publicos/   https://www.ibge.gov.br/estatisticas/sociais/populacao/9103-estimativas-de-populacao.html?=&amp;t=downloads   https://covid.saude.gov.br/<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>