; (2) the growth or contraction in the United States agricultural industry and whether such growth or contraction has increased or decreased the demand for workers to perform agricultural labor or services; (3) the level of unemployment and underemployment of United States workers (as defined in section 218A(a)(7)) in agricultural labor or services; (4) the number of H–2C workers (as defined in section 218A(a)(5)) who in the preceding fiscal year had to depart from the United States or be subject to removal under section 237(a)(1)(C)(i) because they could not find additional at-will employment within 30 days pursuant to section 218B