Geographical Information

12 Months Ended

Dec. 29, 2017

11. Geographical Information

The Company’s principal markets include North America, Asia and Europe. Sales by geographic area represent sales to unaffiliated customers and are based upon the location to which the products were shipped. The following table sets forth revenue by geographic area (in thousands):

	Year Ended
	December 29,		December 30,		December 25,
Sales	2017		2016		2015
United States	$	512,153	$	308,129	$	313,090
China		36,893		13,152		21,464
Singapore		287,887		175,843		103,176
Austria		34,546		35,729		12,568
Others		52,872		29,906		18,805
Total	$	924,351	$	562,759	$	469,103

At December 29, 2017 and December 30, 2016, approximately $11.9 million and $8.1 million, respectively, of the Company’s long-lived assets were located in China, Singapore and the Czech Republic, and the remaining balances were located in the United States.