Credit: 050101, 050102 Period 1; 050201, 050202 Period 2; 050301, 050302 Period 3; 050401, 050402 Period 4; 050501, 050502 Period 5; 050601, 050602 Period 6; 050701, 050702 Period 7; 050801, 050802 Period 8 No Credit: 051101, 051102 Period 1; 051201, 051202 Period 2; 051301, 051302 Period 3; 051401, 051402 Period 4; 051501, 051502 Period 5; 051601, 051602 Period 6; 051701, 051702 Period 7; 051801, 051802 Period 8