From the Document: "From October 1, 2004 to September 30, 2019, U.S. attorneys investigated a total of 1,864 suspects in matters involving violations of federal hate crime statutes. Federal prosecutors referred 17% of the suspects for prosecution. The number of hate crime matters investigated fell 8%, from 647 during 2005-09 (129 per year) to 597 during 2015-19 (119 per year). During the most recent 5-year period of 2015-19, nearly half (48%) of the 597 suspects investigated for a hate crime were referred to U.S. attorneys for Hate Crimes Prevention Act (HCPA) violations. This report uses data from the Bureau of Justice Statistics' Federal Justice Statistics Program to describe criminal prosecutions over federal hate crimes from 2005 to 2019."
NCJ Document Number 300952; National Criminal Justice Document Number 300952
Bureau of Justice Statistics: https://www.bjs.gov/