Intangible assets as of December 31, 2019 included the following:



	Licenses and internal developments		Customer relationships and contracts	Non-compete agreement	Total
Useful life (years)	5		1 - 4	3
Cost
Values at beginning of year	36,957		10,896	586	48,439
Additions related to business combinations (note 25.12)	—		14,389	—	14,389
Additions from separate acquisitions	4,188		—	—	4,188
Additions from internal development	7,212		—	—	7,212
Disposals	(26	)	—	—	(26	)
Translation	(13	)	—	—	(13	)
Values at end of year	48,318		25,285	586	74,189

Amortization and impairment
Accumulated at beginning of year	26,179		9,896	586	36,661
Additions	8,589		1,124	—	9,713
Impairment loss recognised in profit or loss (note 4.6)	720		—	—	720
Disposals	(2	)	—	—	(2	)
Translation	(13	)	—	—	(13	)
Accumulated at end of year	35,473		11,020	586	47,079
Carrying amount	12,845		14,265	—	27,110

Intangible assets as of December 31, 2018 included the following:



	Licenses and internal developments		Customer relationships and contracts	Non-compete agreement	Total
Useful life (years)	5		1 - 4	3
Cost
Values at beginning of year	27,381		10,153	586	38,120
Additions related to business combinations (note 25.12)	—		173	—	173
Additions from separate acquisitions	3,480		—	—	3,480
Additions from internal development	6,104		—	—	6,104
Translation	(8	)	570	—	562
Values at end of year	36,957		10,896	586	48,439

Amortization and impairment
Accumulated at beginning of year	17,325		8,844	586	26,755
Additions	8,556		757	—	9,313
Impairment loss recognised in profit or loss (note 4.6)	306		—	—	306
Translation	(8	)	295	—	287
Accumulated at end of year	26,179		9,896	586	36,661
Carrying amount	10,778		1,000	—	11,778