My grades began to fall from 2 years to 4 years, and then even tried much. A simple, not an upgrade because the upgrade thinking system; If there are more units was retained, there would be an even divisor was grades.
My grades started to fall from 2 until 4 and then I will try my grades up, it's not easy because the system is equivalent grades. If the unit has accumulated a lot, it's even a good grade division.
Grade I started to rain. Since the year 2 until year 4 then even tried much, grade is not easily due to system thinking is a model. If the unit has accumulated a lot of business will be a divisor grades a lot.