Rank	Countries/Territories	Count	Percent
1	United States	440	40%
2	China	298	27.1%
3	Germany	86	7.8%
4	India	61	5.5%
5	Singapore	36	3.3%
6	United Kingdom	20	1.8%
7	Turkey	16	1.5%
8	Japan	15	1.4%
9	Taiwan	14	1.3%
10	Netherlands	13	1.2%
11	Indonesia	11	1%
12	Ireland	9	0.8%
13	Mexico	8	0.7%
14	France	8	0.7%
15	Cyprus	6	0.5%
16	Ecuador	6	0.5%
17	Australia	6	0.5%
18	Canada	5	0.5%
19	Iran, Islamic Republic of	5	0.5%
20	Syrian Arab Republic	4	0.4%
21	Spain	4	0.4%
22	Italy	3	0.3%
23	Belgium	3	0.3%
24	Ethiopia	2	0.2%
25	Argentina	2	0.2%
26	Hong Kong	2	0.2%
27	Jordan	2	0.2%
28	Korea, Republic of	2	0.2%
29	Sweden	2	0.2%
30	Switzerland	2	0.2%
31	Nigeria	1	0.1%
32	Romania	1	0.1%
33	Latvia	1	0.1%
34	Malaysia	1	0.1%
35	Georgia	1	0.1%
36	Greece	1	0.1%
37	Cameroon	1	0.1%
38	Bangladesh	1	0.1%
39	Ukraine	1	0.1%