<|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 relevant data are within the paper. individual line listed data are the property of the countries concerned and cannot be released for ethical reasons, although estonia does make anonymised surveillance data freely available online (http://pxweb.tai.ee/esf/pxweb2008/database_en/morbidity/03tuberculosis/03tuberculosis.asp).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>