<|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 are available from the international labor organizations online database ilo laborsta (available online at: http://laborsta.ilo.org/data_topic_e.html, under the section wages; main statistics (annual) wages by economic activity), from transparency international (the corruption perception index, available online: http://www.transparency.org/cpi2014/in_detail), and from the online database of the world bank (data on gdp growth and gdp per capita in ppp terms, available online at: http://data.worldbank.org/). all data sources are clearly referenced within the paper. 
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yes<|eot_id|>