Rank	Countries/Territories	Count	Percent
1	China	562	31.5%
2	United States	538	30.1%
3	Korea, Republic of	179	10%
4	Germany	168	9.4%
5	Japan	69	3.9%
6	Latvia	53	3%
7	France	34	1.9%
8	Canada	27	1.5%
9	Singapore	18	1%
10	Netherlands	15	0.8%
11	Cyprus	14	0.8%
12	Ukraine	13	0.7%
13	United Kingdom	12	0.7%
14	Norway	11	0.6%
15	Russia	11	0.6%
16	Hong Kong	10	0.6%
17	India	9	0.5%
18	Brazil	7	0.4%
19	Argentina	5	0.3%
20	Iran, Islamic Republic of	5	0.3%
21	Australia	4	0.2%
22	Yemen	4	0.2%
23	Italy	3	0.2%
24	Bangladesh	2	0.1%
25	Saudi Arabia	2	0.1%
26	Pakistan	2	0.1%
27	Malaysia	2	0.1%
28	Mongolia	1	0.1%
29	Switzerland	1	0.1%
30	Taiwan	1	0.1%
31	Austria	1	0.1%
32	Egypt	1	0.1%
33	Ireland	1	0.1%
34	Indonesia	1	0.1%