Note 8. Inventories


	December 31, 2017		December 31, 2016
Finished products	Ps.	25,374	Ps.	22,709
Raw materials		5,194		5,156
Spare parts		2,102		2,401
Work in process		198		144
Inventories in transit		1,437		1,188
Other		535		334

	Ps.	34,840	Ps.	31,932

For the years ended at 2017, 2016 and 2015, the Company recognized write-downs of its inventories for Ps. 308, Ps. 1,832 and Ps. 1,290 to net realizable value, respectively.

For the years ended at 2017, 2016 and 2015, changes in inventories are comprised as follows and included in the consolidated income statement under the cost of goods sold caption:

2017

2016

2015

Changes in inventories of finished goods and work in progress

Ps.

196,547

Ps.

172,554

Ps.

132,835

Raw materials and consumables used

85,568

63,285

53,514

Total

Ps.

282,115

Ps.

235,839

Ps.

186,349