January 1981

January 1981: 712 companies

January 2, 1981 16 companies

January 4, 1981 2 companies

January 5, 1981 20 companies

January 6, 1981 38 companies

January 7, 1981 25 companies

January 8, 1981 29 companies

January 9, 1981 37 companies

January 12, 1981 27 companies

January 13, 1981 49 companies

January 14, 1981 32 companies

January 15, 1981 27 companies

January 16, 1981 22 companies

January 19, 1981 46 companies

January 20, 1981 42 companies

January 21, 1981 32 companies

January 22, 1981 44 companies

January 23, 1981 53 companies

January 25, 1981 3 companies

January 27, 1981 43 companies

January 28, 1981 54 companies

January 29, 1981 29 companies

January 30, 1981 42 companies