<|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: the authors confirm that all data underlying the findings are fully available without restriction. data are owned by the statistical office of the republic of serbia. data may be obtained from the statistical office of the republic of serbia (http://webrzs.stat.gov.rs/) by contacting statistical office of the republic of serbia, belgrade, 5 milana rakica st. phone: +381 11 2412 922. fax: +381 11 2411 260. dissemination and public relations division, +381 11 2401-284, stat@stat.gov.rs.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>