Any unobligated balance in said fund shall not revert to the General Fund at the end of any fiscal year but shall be automatically carried forward and available to be appropriated by the Alabama Legislature in each succeeding fiscal year in said fund. Such appropriations shall be budgeted and allotted pursuant to Article 4 of Chapter 4 of Title 41. The existence or availability of moneys in this trust fund shall not reduce appropriations to the Alabama Medicaid Agency from the State General Fund below the amount appropriated for fiscal year 1992.