Table 5 Annual Changes in Price Indexes for Local and Long Distance Telephone Services Local Residential Service Toll Service * CPI: all localPPI: Monthly Interstate Toll CallIntrastate Toll Calls charges Service Charges CPI PPI CPI PPI 1978 1.4 % 3.1 % -0.8 % 0.0 % 1.3 % 0.1 % 1979 1.7 1.6 -0.7 -0.9 0.1 -0.7 1980 7.0 7.1 3.4 5.5 -0.6 2.3 1981 12.6 15.6 14.6 15.9 6.2 8.0 1982 10.8 9.0 2.6 3.9 4.2 1.7 1983 3.1 0.2 1.5 0.0 7.4 3.9 1984 17.2 10.4 -4.3 -5.1 3.6 3.8 1985 8.9 12.4 -3.7 -3.0 0.6 2.1 1986 7.1 8.9 -9.4 -10.0 0.3 -3.5 1987 3.3 2.6 -12.4 -11.8 -3.0 -3.0 1988 4.5 4.6 -4.2 -2.1 -4.2 -3.8 1989 0.6 1.9 -1.3 -1.7 -2.6 0.5 1990 1.0 1.5 -3.7 -0.1 -2.2 -2.2 1991 5.1 2.1 1.3 -1.3 -1.5 -2.6 1992 0.5 -0.2 -1.3 1.0 -2.4 1.3 1993 1.0 0.8 6.5 3.8 0.2 -1.1 1994 -0.3 0.7 5.4 6.1 -1.0 -1.4 1995 2.6 * 0.1 ** -3.8 ** * CPI toll indexes represent rates for households. PPI toll indexes represent rate changes for both business and residential consumers. ** Comparable PPI indexes were last published for July 1995