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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: ICD codes were used to estimate age - cause specific mortality rates by sex , quintile of deprivation and Census year from five broad underlying causes of death : circulatory diseases , respiratory diseases , neoplasms , external causes and other causes . All deaths in our data included an ICD code entry ; however , deaths that were ill defined or did not refer to an identifiable ICD code were classified as ' other ' . Cause of death categories were mutually - exclusive , and harmonisation ensured comparability of causes over time . The ICD codes included in each category are available in appendix 5 . The absolute number of deaths and proportions of deaths in each cause - specific category are given below in Table 2 .<|eot_id|><|start_header_id|>assistant<|end_header_id|>

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