Witnesses before the district court and the county court, except the Small Claims Court, and the grand jury shall receive twenty dollars, and witnesses before the Small Claims Court shall receive eight dollars, for each day actually employed in attendance on the court or grand jury, and if the witness shall reside more than one mile from the courthouse or place where the court is held, he or she shall receive mileage at the rate provided in section 81-1176 for state employees for each mile necessarily traveled.