The following information is provided by USDOL Office of Federal Contract Compliance Programs (OFCCP):

Looking for prior national percentages? The VEVRAA Hiring Benchmark Database has a chart of the annual national percentage of veterans in the civilian labor force from prior years along with their effective dates.
State-level veteran availability data has also been updated in the VEVRAA Hiring Benchmark Database for federal contractors and subcontractors who calculate an individualized hiring benchmark using the five-factor method.
Need more information on VEVRAA requirements? Visit the VEVRAA information page, or contact the OFCCP Help Desk at 1-800-397-6251 or online.