Percent change in the Consumer Price Index (CPI-U) minus the 
percent change in the Consumer Price Index research series 
using current methods (CPI-U-RS)

CPI-U	CPI-U-RS		Difference
9.0	7.8		1978	1.2
13.3	10.7		1979	2.6
12.5	10.7		1980	1.8
8.9	8.3		1981	0.6
3.8	5.0		1982	-1.2
3.8	3.7		1983	0.1
3.9	3.7		1984	0.2
3.8	3.7		1985	0.1
1.1	1.0		1986	0.1
4.4	4.0		1987	0.4
4.4	3.9		1988	0.5
4.6	4.2		1989	0.4
6.1	5.8		1990	0.3
3.1	2.5		1991	0.6
2.9	2.6		1992	0.3
2.7	2.3		1993	0.4
2.7	2.4		1994	0.3
2.5	2.3		1995	0.2
3.3	3.1		1996	0.2
1.7	1.5		1997	0.2
1.6	1.4		1998	0.2