Monthly Sewage Networks Cost Indices by Sub Groups in the West Bank for Months of January - December 2013 and Percent Changes from January - December 2012

Sub Groups	West Bank
Sub Groups	Avg. 2012	Jan. 2013	Feb. 2013	Mar. 2013	Apr. 2013	May. 2013	Jun. 2013	Jul. 2013	Aug. 2013	Sep. 2013	Oct. 2013	Nov. 2013	Dec.2013	Avg. 2013	% Change
Excavations	108.54	111.70	112.22	112.57	112.64	112.79	112.93	113.13	113.18	113.31	113.85	114.06	113.81	113.02	4.12
Deface materials	98.07	99.67	100.51	101.28	101.79	99.71	100.13	100.17	99.40	100.19	101.59	100.79	102.15	100.61	2.60
Asphalt, bitumen mixture and its products	110.38	112.88	115.04	115.74	114.83	113.56	114.86	114.54	115.18	114.75	113.03	112.84	113.36	114.22	3.47
Plastic and cements pipes	100.53	101.68	102.36	102.96	102.91	102.25	102.09	102.47	102.66	102.89	102.74	102.59	102.96	102.55	2.01
Fountains	109.90	109.73	109.87	110.49	109.77	110.30	110.66	110.81	110.73	110.83	111.08	111.41	111.08	110.56	0.60
Administrative expenses	104.50	105.04	105.04	105.72	105.72	105.72	106.01	106.01	106.01	106.41	106.41	106.41	106.50	105.92	1.35
Wages and other costs	111.25	111.94	111.94	112.27	112.27	112.27	112.63	112.63	112.63	113.03	113.03	113.03	113.59	112.60	1.22
General Index	104.86	106.17	106.76	107.35	107.24	106.70	106.97	107.11	107.04	107.32	107.57	107.46	107.81	107.12	2.16

The data of the West Bank doesn't cover those parts of Jerusalem which were annexed by Israel in 1967.