<|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 underlying the findings in our study are available from census and statistics department of the hong kong sar government and the hong kong observatory. however, the data are not free of charge. residents have to pay for the requested statistics and the statistics cannot be re-disseminated to other parties. interested parties may contact census and statistics department at http://www.censtatd.gov.hk/ and hong kong observatory at http://www.hko.gov.hk/.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>