Rank	Countries/Territories	Count	Percent
1	China	273	38.5%
2	United States	247	34.8%
3	Germany	35	4.9%
4	Spain	15	2.1%
5	Japan	15	2.1%
6	Netherlands	13	1.8%
7	Canada	13	1.8%
8	Taiwan	11	1.6%
9	Russia	9	1.3%
10	Singapore	8	1.1%
11	Indonesia	6	0.8%
12	Iran, Islamic Republic of	5	0.7%
13	Mexico	5	0.7%
14	Poland	5	0.7%
15	Italy	5	0.7%
16	United Kingdom	5	0.7%
17	Argentina	4	0.6%
18	Bangladesh	4	0.6%
19	Australia	3	0.4%
20	Cyprus	3	0.4%
21	France	3	0.4%
22	India	3	0.4%
23	New Zealand	2	0.3%
24	South Africa	2	0.3%
25	Iraq	2	0.3%
26	Bulgaria	2	0.3%
27	Egypt	1	0.1%
28	Brazil	1	0.1%
29	Ireland	1	0.1%
30	Georgia	1	0.1%
31	Hong Kong	1	0.1%
32	Ukraine	1	0.1%
33	Viet Nam	1	0.1%
34	Norway	1	0.1%
35	Pakistan	1	0.1%
36	Philippines	1	0.1%
37	Malawi	1	0.1%