(b) Authorization of Appropriations.— There are authorized to be appropriated to the Fund
(1) $270,000,000 for fiscal year 1996;
(2) $283,500,000 for fiscal year 1997;
(3) $355,500,000 for fiscal year 1998;
(4) $355,500,000 for fiscal year 1999; and
(5) $355,500,000 for fiscal year 2000.
Such sums are to remain available until expended.