There are authorized to be appropriated to the Department of Health and Human Services to carry out this chapter—

(1) $750,000,000 for fiscal year 2001;

(2) $1,000,000,000 for fiscal year 2002;

(3) $1,500,000,000 for fiscal year 2003; and

(4) such sums as may be necessary for each of the fiscal years 2004 and 2005.