Provides descriptive information about the national flow of admissions to speciality providers of substance abuse treatment (SAT). Consistent data from 1992 through 1995 are presented from a panel of 37 states; this panel is also used to chart national trends. Also included are aggregate profiles & state level data for calendar year 1995, as well as supporting tables & appendices. The main findings are that those admitted to SAT have problems beyond their dependence on drugs & alcohol, being disadvantaged in education & employment when compared to the general population. Extensive charts & tables.