Table 9. Discovery routes.

Discovery route	Frequency	Percentage
References in journal articles	622	79.8
Web search engines	549	70.5
Searching in specific data repositories	492	63.2
Direct requests to data providers	314	40.3
Newsletters or other publications	201	25.8
Government or institutional announcements	164	21.1
Directories or catalogues	136	17.5
Social media	70	9.0
Blogs	63	8.1
Other discovery	36	4.6

Table shows frequencies and valid percentages for each discovery route, multiple answers were allowed (n = 779).