<|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: individual level data are available from population-based surveillance registers maintained by national institute foe health and welfare (thl). permission to use these register data can be submitted to thl which is the national regulative body for granting access to these data for scientific research purposes (http://www.thl.fi/en/web/thlfi-en/statistics/information-for-researchers).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>