<|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 in this study were obtained from a third party. data are available upon request from the national institute of statistics (departamento administrativo nacional de estadística dane), and some of the data are available at: (http://formularios.dane.gov.co/anda_4_1/index.php/catalog/microdatos#_r=1424959387372&collection=&country=&dtype=&from=1973&page=1&ps=&sk=eev v&sort_by=titl&sort_order=&to=2014&topic=&view=s&vk=). for information about the data, please contact the authors of this study (liliana.casro@gmail.com; lcastillo@ins.gov.co).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>