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


Year  2004

Variable
JAN.
FAB.
MAR.
APR.
MAY.
JUN.
JUL.
AUG.
SEP.
OCT.
NOV.
DEC.
M
CONSTRUCTION MATERIALS(EXCLUDE CEMENT & STEEL)
212.5
217.9
221.5
222.4
223.7
223.6
224.8
227.3
228.8
230.4
230.4
229.7
S
STEEL PRICE INDEX
208.8
224.4
233.6
232.6
217.3
204.1
215.2
235.1
241.8
241.4
234.8
224.7
C
CEMENT PRICE INDEX
195.3
195.3
195.3
195.3
195.3
193.7
190.6
183.9
177.9
177.7
175.8
173.5
G
IRON SHEET PRICE INDEX
251.1
316.1
316.2
314.4
314.2
303.8
313.0
330.8
341.5
356.6
336.5
335.5
I
GENERAL CONSUMER PRICE INDEX OF THAILAND
189.1
190.5
190.9
191.9
192.6
193.0
193.2
194.1
194.8
194.8
194.1
194.1
F
HIGH SPEED DIESEL PRICE INDEX
238.8
239.5
239.5
239.5
239.5
239.5
239.5
239.5
239.5
239.5
239.5
239.5
A
ASPHALT PRICE INDEX
165.8
165.8
165.8
165.8
167.7
167.7
167.7
167.7
169.2
171.5
176.1
171.7
E
MACHINERY AND EQUIPMENT PRICE INDEX
177.4
170.7
171.9
171.9
187.5
187.5
187.7
188.7
188.7
188.7
188.7
188.7
GIP
GALVANIZED IRON PIPE PRICE INDEX
291.5
291.5
312.0
312.0
312.0
312.0
312.0
327.3
342.7
332.4
332.4
332.4
AC
ASBESTOS PIPE PRICE INDEX
121.0
121.3
121.3
121.3
121.4
121.4
121.3
121.4
121.4
121.3
121.4
121.4
PVC
PVC WATER PIPE PRICE INDEX
124.3
129.4
134.5
134.5
129.4
126.0
126.0
143.0
155.0
156.7
156.7
156.7
W
INSULATED WIRE PRICE INDEX
210.5
215.4
226.7
226.7
226.7
226.7
226.7
234.0
234.0
239.9
239.9
239.9
PE
HYDENSITY POLYETHYLENE PIPE PRICE INDEX
152.2
152.2
152.2
152.2
152.2
152.2
162.3
182.6
182.6
182.6
182.6
182.6

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