Rank	Countries/Territories	Count	Percent
1	China	339	36.5%
2	United States	308	33.1%
3	Germany	50	5.4%
4	India	49	5.3%
5	Netherlands	24	2.6%
6	Singapore	23	2.5%
7	Korea, Republic of	14	1.5%
8		11	1.2%
9	Canada	9	1%
10	France	9	1%
11	Ireland	8	0.9%
12	Romania	8	0.9%
13	Iran, Islamic Republic of	7	0.8%
14	Japan	6	0.6%
15	Cyprus	6	0.6%
16	Taiwan	6	0.6%
17	Switzerland	5	0.5%
18	Latvia	5	0.5%
19	Australia	5	0.5%
20	United Kingdom	5	0.5%
21	Viet Nam	3	0.3%
22	Bangladesh	3	0.3%
23	Serbia	3	0.3%
24	South Africa	2	0.2%
25	Russia	2	0.2%
26	New Zealand	2	0.2%
27	Philippines	2	0.2%
28	Brazil	2	0.2%
29	Egypt	2	0.2%
30	Argentina	2	0.2%
31	Greece	2	0.2%
32	Ukraine	2	0.2%
33	Bulgaria	1	0.1%
34	Malaysia	1	0.1%
35	Mexico	1	0.1%
36	Sweden	1	0.1%
37	Slovakia	1	0.1%
38	Thailand	1	0.1%