Revenue is disaggregated based on how the nature, amount, timing and uncertainty of the revenue and cash flows are affected by economic factors.

For the year ended December 31, 2021, our top ten customers accounted for 52% of our revenue and our two largest customers accounted for 13% and 10% of our revenue. For the year ended December 31, 2020, our top ten customers accounted for 55% of our revenue and our largest customer accounted for 20% of our revenue. For the year ended December 31, 2019, our top ten customers accounted for 56% of our revenue and our largest customer accounted for 21% of our revenue.

The Group presents revenue as disaggregated by market based on the location of the end user as follows:


	YEAR ENDED DECEMBER 31,
	2021		2020		2019
U.K. and Ireland		21,391		16,189		13,412
Other Europe		10,800		5,252		2,879
North America		7,484		3,959		1,916
Rest of the world		2,648		2,580		1,059
Total revenues		42,323		27,980		19,266

The Group presents disaggregated revenue by monetization type as follows:


	YEAR ENDED DECEMBER 31,
	2021		2020		2019
Hybrid commission		15,616		14,738		11,060
Revenue share commission		3,596		3,308		3,856
CPA commission		18,591		9,047		3,447
Other revenue		4,520		887		903
Total revenues		42,323		27,980		19,266

The Group also tracks its revenues based on the product type from which it is derived. Revenue disaggregated by product type is as follows:


	YEAR ENDED DECEMBER 31,
	2021		2020		2019
Casino		35,632		24,135		14,020
Sports		6,188		3,210		4,686
Other		503		635		560
Total revenues		42,323		27,980		19,266