Rank	Countries/Territories	Count	Percent
1	United States	318	37.2%
2	China	296	34.6%
3	Germany	52	6.1%
4	United Kingdom	16	1.9%
5	India	15	1.8%
6	Iran, Islamic Republic of	14	1.6%
7	Spain	13	1.5%
8	Netherlands	11	1.3%
9	Turkey	11	1.3%
10	Japan	10	1.2%
11	Russia	8	0.9%
12	Singapore	8	0.9%
13	Australia	8	0.9%
14	France	7	0.8%
15	Sweden	7	0.8%
16	Canada	6	0.7%
17	Hong Kong	6	0.7%
18	Ireland	5	0.6%
19	Thailand	5	0.6%
20	Slovakia	3	0.4%
21	South Africa	3	0.4%
22	Korea, Republic of	3	0.4%
23	Finland	3	0.4%
24	Cyprus	3	0.4%
25	Brazil	2	0.2%
26	Ethiopia	2	0.2%
27	Lithuania	2	0.2%
28	Malaysia	2	0.2%
29	Mexico	2	0.2%
30	Greece	2	0.2%
31	Ukraine	2	0.2%
32	Nigeria	1	0.1%
33	Paraguay	1	0.1%
34	Poland	1	0.1%
35	Romania	1	0.1%
36	Georgia	1	0.1%
37	Italy	1	0.1%
38	Burkina Faso	1	0.1%
39	Belgium	1	0.1%
40	Denmark	1	0.1%
41	Algeria	1	0.1%