GEOGRAPHIC INFORMATION, PRODUCT GROUPS AND CUSTOMER CONCENTRATION INFORMATION

Geographic Information

The following table shows revenues by geographic area based on the delivery locations of our products:



	Three Months Ended				Nine Months Ended
	March 31, 2018		April 1, 2017		March 31, 2018		April 1, 2017
	(Thousands)
Asia-Pacific:
China	$	40,281	$	57,882	$	133,146	$	180,551
Thailand	15,559		24,722		45,572		78,852
Malaysia	692		4,000		4,112		15,703
Other Asia-Pacific	5,353		6,329		14,789		12,693
Total Asia-Pacific	$	61,885	$	92,933	$	197,619	$	287,799

Americas:
United States	9,604		22,832		66,807		54,574
Mexico	22,399		8,930		73,530		26,290
Other Americas	1,934		14,115		10,403		22,327
Total Americas	$	33,937	$	45,877	$	150,740	$	103,191

EMEA:
Italy	12,466		7,577		31,703		23,601
Germany	7,790		5,116		15,181		11,493
Other EMEA	9,464		6,836		21,592		18,182
Total EMEA	$	29,720	$	19,529	$	68,476	$	53,276

Japan	$	1,751	$	3,843	5,391		7,322

Total revenues	$	127,293	$	162,182	$	422,226	$	451,588

Product Groups

The following table sets forth revenues by product group:



	Three Months Ended				Nine Months Ended
	March 31, 2018		April 1, 2017		March 31, 2018		April 1, 2017
	(Thousands)
100 Gb/s + transmission modules	$	95,663	$	125,818	$	326,675	$	337,424
40 Gb/s and lower transmission modules	31,630		36,364		95,551		114,164
	$	127,293	$	162,182	$	422,226	$	451,588

Significant Customers and Concentration of Credit Risk

For the three months ended March 31, 2018, five customers accounted for 10 percent or more of our revenues, representing approximately 18 percent, 15 percent, 13 percent, 10 percent and 10 percent of our revenues, respectively. For the nine months ended March 31, 2018, five customers accounted for 10 percent or more of our revenues, representing approximately 16 percent, 13 percent, 12 percent, 12 percent and 11 percent of our revenues, respectively.

For the three months ended April 1, 2017, four customers accounted for 10 percent or more of our revenues, representing approximately 18 percent, 17 percent, 12 percent and 12 percent of our revenues, respectively. For the nine months ended April 1, 2017, four customers accounted for 10 percent of more of our revenues, representing 19 percent, 18 percent, 16 percent and 11 percent of our revenues, respectively.

As of March 31, 2018, four customers accounted for 10 percent or more of our accounts receivable, representing approximately 19 percent, 12 percent, 12 percent and 10 percent of our accounts receivable, respectively. As of July 1, 2017, one customer accounted for 10 percent or more of our accounts receivable, representing approximately 20 percent.