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Information about contributing guidance on data sets to this website is available here.

Unfortunately, we are not funded to provide data that is customized for your specific research project.

Links to download data are found under the ‘Get Data’ tab on our data set pages. Download of data is handled by third parties.  Many of these data centers provide tools to subset large data sets by time period or region.

Please do let us know if our links to third-party data centers are broken.