Rank	Countries/Territories	Count	Percent
1	United States	341	38.1%
2	China	285	31.9%
3	Japan	51	5.7%
4	Germany	41	4.6%
5	Latvia	24	2.7%
6	Singapore	17	1.9%
7	Canada	12	1.3%
8	France	10	1.1%
9	India	10	1.1%
10	Netherlands	9	1%
11	Cyprus	8	0.9%
12	Taiwan	8	0.9%
13	Finland	7	0.8%
14	Russia	7	0.8%
15	Mexico	6	0.7%
16	Korea, Republic of	6	0.7%
17	Ireland	5	0.6%
18	Italy	4	0.4%
19	Ecuador	4	0.4%
20	Australia	4	0.4%
21	Egypt	3	0.3%
22	Brazil	3	0.3%
23	Hong Kong	3	0.3%
24	United Kingdom	3	0.3%
25	Ukraine	2	0.2%
26	Viet Nam	2	0.2%
27	Belgium	2	0.2%
28	Algeria	2	0.2%
29	Argentina	2	0.2%
30	Poland	2	0.2%
31	Saudi Arabia	2	0.2%
32	Sweden	2	0.2%
33	Switzerland	2	0.2%
34	Mongolia	1	0.1%
35	Indonesia	1	0.1%
36	Malaysia	1	0.1%
37	Austria	1	0.1%
38	Ghana	1	0.1%