The Secretary of Labor shall provide the Commissioner with employment statistics specified in section
49l–2 of this title, that facilitate evaluation by the Commissioner of the program carried out under part B of this subchapter, and allow the Commissioner to compare the progress of individuals with disabilities who are assisted under the program in securing, retaining, regaining, and advancing in employment with the progress made by individuals who are assisted under title I of the Workforce Investment Act of 1998 [
29 U.S.C.
2801 et seq.].