Rank	Countries/Territories	Count	Percent
1	United States	557	40%
2	China	490	35.2%
3	Germany	132	9.5%
4	France	29	2.1%
5	Canada	24	1.7%
6	Japan	21	1.5%
7	India	15	1.1%
8	Singapore	10	0.7%
9	Switzerland	9	0.6%
10	Netherlands	9	0.6%
11	Cyprus	8	0.6%
12	United Kingdom	8	0.6%
13	Taiwan	7	0.5%
14	Australia	7	0.5%
15	Argentina	6	0.4%
16	Iran, Islamic Republic of	6	0.4%
17	Thailand	5	0.4%
18	Ireland	4	0.3%
19	Bangladesh	4	0.3%
20	Serbia	4	0.3%
21	Indonesia	4	0.3%
22	Hong Kong	4	0.3%
23	Mongolia	3	0.2%
24	Ukraine	3	0.2%
25	Korea, Republic of	2	0.1%
26	Saudi Arabia	2	0.1%
27	Syrian Arab Republic	2	0.1%
28	Sweden	2	0.1%
29	Belgium	2	0.1%
30	Ethiopia	2	0.1%
31	Israel	2	0.1%
32	Greece	2	0.1%
33	Italy	1	0.1%
34	Finland	1	0.1%
35	Albania	1	0.1%
36	Pakistan	1	0.1%
37	Poland	1	0.1%
38	Latvia	1	0.1%
39	Malaysia	1	0.1%
40	Mauritius	1	0.1%
41	Turkey	1	0.1%