Rank	Countries/Territories	Count	Percent
1	United States	561	39.3%
2	China	444	31.1%
3	Germany	97	6.8%
4	Canada	64	4.5%
5	Hong Kong	37	2.6%
6	France	31	2.2%
7	United Kingdom	31	2.2%
8	Australia	20	1.4%
9	Japan	19	1.3%
10	Netherlands	13	0.9%
11	India	13	0.9%
12	Singapore	12	0.8%
13	Belgium	10	0.7%
14	Brazil	9	0.6%
15	Egypt	7	0.5%
16	Iran, Islamic Republic of	5	0.4%
17	Cyprus	5	0.4%
18	Russia	5	0.4%
19	Malaysia	4	0.3%
20	Argentina	4	0.3%
21	Ethiopia	3	0.2%
22	Korea, Republic of	3	0.2%
23	Switzerland	3	0.2%
24	Taiwan	3	0.2%
25	Thailand	3	0.2%
26	Spain	2	0.1%
27	New Zealand	2	0.1%
28	Norway	2	0.1%
29	Poland	2	0.1%
30	Puerto Rico	2	0.1%
31	Romania	2	0.1%
32	Cambodia	2	0.1%
33	Bulgaria	1	0.1%
34	Bangladesh	1	0.1%
35	Ireland	1	0.1%
36	Sweden	1	0.1%
37	Slovakia	1	0.1%
38	Ukraine	1	0.1%
39	Viet Nam	1	0.1%