Rank	Countries/Territories	Count	Percent
1	United States	469	38%
2	China	284	23%
3	Germany	74	6%
4	India	61	4.9%
5	Singapore	32	2.6%
6	Romania	27	2.2%
7	Japan	25	2%
8	United Kingdom	21	1.7%
9	Italy	20	1.6%
10	Netherlands	19	1.5%
11	France	18	1.5%
12	Canada	12	1%
13	Iran, Islamic Republic of	11	0.9%
14	Russia	11	0.9%
15	Sweden	11	0.9%
16	Mexico	10	0.8%
17	Egypt	9	0.7%
18		8	0.6%
19	Spain	8	0.6%
20	Thailand	7	0.6%
21	Pakistan	7	0.6%
22	Poland	7	0.6%
23	Ireland	6	0.5%
24	Taiwan	6	0.5%
25	Slovakia	5	0.4%
26	Norway	4	0.3%
27	United Arab Emirates	4	0.3%
28	Malaysia	4	0.3%
29	Australia	4	0.3%
30	Brazil	4	0.3%
31	Cyprus	3	0.2%
32	Indonesia	3	0.2%
33	Qatar	3	0.2%
34	Nigeria	3	0.2%
35	Turkey	3	0.2%
36	Ukraine	3	0.2%
37	South Africa	3	0.2%
38	Switzerland	2	0.2%
39	Israel	2	0.2%
40	Czech Republic	2	0.2%
41	Greece	2	0.2%
42	Hong Kong	2	0.2%
43	Hungary	2	0.2%
44	Colombia	2	0.2%
45	Bangladesh	2	0.2%
46	Argentina	2	0.2%
47	Belarus	1	0.1%
48	Haiti	1	0.1%
49	Denmark	1	0.1%
50	Georgia	1	0.1%
51	Isle of Man	1	0.1%
52	Philippines	1	0.1%