Table 3.

Total approved requests to the Central Repositories for all studies

YearNo. of Sample RequestsNo. of Data Requests
InternalAncillaryExternal RenewableExternal NonrenewableTotal External
2003000000
2004100000
2005410004
20064190115
2007321002215
2008302600016
200990150101033
20101252114529
20111103133658
2012822632594
20131013423555
  • Information about successful applications for resources is shown. There are multiple types of requests, as discussed in the text. Internal requests provide materials back to the original contributing study. Ancillary requests are for studies collaborating with the original contributing study. External requests are not associated with the original study.