Variables of Contract Price Escalation Factors (K)
(1987=100)


Year  2005

Variable
JAN.
FAB.
MAR.
APR.
MAY.
JUN.
JUL.
AUG.
SEP.
OCT.
NOV.
DEC.
M
CONSTRUCTION MATERIALS(EXCLUDE CEMENT & STEEL)
228.4
229.1
229.7
231.8
232.8
230.9
231.8
231.2
232.0
233.0
231.9
231.6
S
STEEL PRICE INDEX
226.3
225.4
227.0
227.5
220.1
196.1
200.1
199.3
206.6
205.4
200.5
198.5
C
CEMENT PRICE INDEX
173.7
175.3
176.7
177.4
178.6
178.3
180.6
178.0
178.0
178.0
178.0
178.0
G
IRON SHEET PRICE INDEX
335.5
335.5
335.5
335.5
344.9
338.0
317.1
308.2
308.2
304.5
302.2
262.1
I
GENERAL CONSUMER PRICE INDEX OF THAILAND
194.2
195.3
197.0
198.7
199.8
200.3
203.5
204.9
206.4
206.9
205.5
205.3
F
HIGH SPEED DIESEL PRICE INDEX
239.5
242.6
264.7
300.6
300.6
321.2
372.9
379.8
396.2
399.3
381.0
382.1
A
ASPHALT PRICE INDEX
171.1
171.1
174.9
186.8
190.8
190.8
198.7
198.7
201.9
206.4
207.2
207.2
E
MACHINERY AND EQUIPMENT PRICE INDEX
190.2
191.8
192.7
192.7
192.7
192.9
192.9
201.0
201.0
201.5
201.5
203.3
GIP
GALVANIZED IRON PIPE PRICE INDEX
332.4
332.4
332.4
337.4
337.4
332.3
327.2
306.7
311.8
311.8
327.2
322.0
AC
ASBESTOS PIPE PRICE INDEX
121.3
121.3
121.3
121.3
121.3
121.3
121.3
121.3
121.3
124.9
125.0
125.0
PVC
PVC WATER PIPE PRICE INDEX
153.6
153.6
153.6
155.3
155.3
149.1
150.9
150.9
150.9
152.5
152.5
146.5
W
INSULATED WIRE PRICE INDEX
239.9
239.9
244.2
245.2
245.2
248.7
251.4
251.4
254.2
254.2
261.2
261.2
PE
HYDENSITY POLYETHYLENE PIPE PRICE INDEX
182.6
182.6
182.6
182.6
182.6
189.9
189.9
194.0
194.0
195.6
194.0
194.0

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