Table B-2. Standard errors for table 2: Event dropout rates of 15- through 24-year-olds who dropped out of grades 10–12, and number of dropouts and population of 15- through 24-year-olds who were enrolled: October 1972 through October 2004
Year	Event dropout rate	Number of dropouts (thousands)	Population enrolled (thousands)
1972	0.33	34	126
1973	0.33	35	127
1974	0.34	37	128
1975	0.32	34	128
1976	0.32	35	129
1977	0.34	37	130
1978	0.34	37	130
1979	0.34	37	129
1980	0.33	35	129
1981	0.33	34	129
1982	0.34	35	127
1983	0.33	33	126
1984	0.33	32	124
1985	0.34	32	123
1986	0.32	31	124
1987	0.30	30	123
1988	0.36	35	122
1989	0.36	32	120
1990	0.34	29	128
1991	0.34	29	128
1992	0.35	30	128
1993	0.36	30	127
1994	0.34	32	123
1995	0.35	33	124
1996	0.34	33	129
1997	0.32	32	131
1998	0.33	33	132
1999	0.33	34	134
2000	0.33	33	133
2001	0.33	34	134
2002	0.27	27	127
2003	0.28	30	129
2004	0.30	31	128
NOTE: Some of the standard error estimates in this table may differ from those previously published due to changes in the generalized variance parameters developed by the U.S. Census Bureau. SOURCE: U.S. Department of Commerce, Census Bureau, Current Population Survey (CPS), October 1972–2004.