<|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: data for this paper can be found on-line at the center for disease control and prevention national center for health statistics: http://www.cdc.gov/nchs/nvss.htm additionally, data on state unemployment rates can be found at the bureau of labor statistics web-site: http://www.bls.gov/lau/.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>