Rank	Countries/Territories	Count	Percent
1	China	287	38.9%
2	United States	162	22%
3	Iran, Islamic Republic of	30	4.1%
4	Japan	27	3.7%
5	Germany	23	3.1%
6	Korea, Republic of	22	3%
7	Chile	19	2.6%
8	Switzerland	17	2.3%
9		14	1.9%
10	Viet Nam	14	1.9%
11	France	13	1.8%
12	Australia	12	1.6%
13	Turkey	12	1.6%
14	Singapore	11	1.5%
15	Egypt	11	1.5%
16	Portugal	10	1.4%
17	United Kingdom	9	1.2%
18	India	5	0.7%
19	Canada	5	0.7%
20	Bangladesh	3	0.4%
21	Brazil	3	0.4%
22	Italy	3	0.4%
23	Spain	3	0.4%
24	Norway	3	0.4%
25	Malaysia	2	0.3%
26	Sweden	2	0.3%
27	Ireland	2	0.3%
28	Hong Kong	2	0.3%
29	Czech Republic	2	0.3%
30	Denmark	1	0.1%
31	Argentina	1	0.1%
32	South Africa	1	0.1%
33	Thailand	1	0.1%
34	Mauritius	1	0.1%
35	Nepal	1	0.1%
36	Latvia	1	0.1%
37	Poland	1	0.1%
38	Romania	1	0.1%