4
Graph 1: Value Indexes of Total Retail Sales
Value index
Value index
190
190
180
180
1170
170
-160
160
-150
150
-140
140
130
130
120
120
110
110
Value index
Seasonally adjusted value index
100
100
Trend
0
0
Mar
Jun
Sep Dec
83
Mar Jun
84
Sep
Dec
Mar Jun
85
Sep
Mar Dec
86
Jun
Graph 2: Volume Indexes of Total Retail Sales
Volume index
Volume index
180
170
Volume index
Seasonally adjusted volume index
160
Trend
150
140
130
180
170
160
-150
140
130
100
120
110
Jan
120
110
100
90
90
0
0
Mar
Jun
Sep
Dec
Mar
Jun
Sep
Dec
Mar
Jun
Sep
83
84
85
Dec Mar
86
Jun
Notes. (1) Monthy average of 1980 = 100.
(2) The seasonally adjusted value and volume indexes and Henderson trends are compiled using
theX-11 variant seasonal adjustment program of the US Bureau of the Census.