Rank	Countries/Territories	Count	Percent
1	United States	463	38.4%
2	China	278	23.1%
3	Germany	71	5.9%
4	India	60	5%
5	Singapore	32	2.7%
6	Romania	27	2.2%
7	Japan	25	2.1%
8	United Kingdom	21	1.7%
9	Italy	20	1.7%
10	Netherlands	19	1.6%
11	France	18	1.5%
12	Canada	11	0.9%
13	Iran, Islamic Republic of	11	0.9%
14	Russia	11	0.9%
15	Sweden	11	0.9%
16	Egypt	9	0.7%
17	Spain	8	0.7%
18	Thailand	7	0.6%
19	Mexico	7	0.6%
20	Pakistan	7	0.6%
21	Poland	7	0.6%
22	Ireland	6	0.5%
23	Taiwan	6	0.5%
24	Slovakia	5	0.4%
25	United Arab Emirates	4	0.3%
26	Malaysia	4	0.3%
27	Norway	4	0.3%
28	Australia	4	0.3%
29	Brazil	4	0.3%
30	Cyprus	3	0.2%
31	Nigeria	3	0.2%
32	Qatar	3	0.2%
33	Indonesia	3	0.2%
34	Turkey	3	0.2%
35	Ukraine	3	0.2%
36	South Africa	3	0.2%
37	Switzerland	2	0.2%
38	Israel	2	0.2%
39	Czech Republic	2	0.2%
40	Colombia	2	0.2%
41	Argentina	2	0.2%
42	Bangladesh	2	0.2%
43	Greece	2	0.2%
44	Hong Kong	2	0.2%
45	Hungary	2	0.2%
46	Haiti	1	0.1%
47	Georgia	1	0.1%
48	Belarus	1	0.1%
49	Denmark	1	0.1%
50	Isle of Man	1	0.1%
51	Philippines	1	0.1%