"00","01","Years"
"00","02","Semesters"
"00","03","Trimesters"
"00","04","Quarters"
"00","05","Months"
"00","06","Weeks"
"00","07","Days"
"00","08","Hours"
"00","09","Semesters Hours"
"00","10","Credit Hours"
"00","99","Unknown"