Rank	Countries/Territories	Count	Percent
1	United States	515	42.6%
2	China	393	32.5%
3	Germany	75	6.2%
4	France	37	3.1%
5	Australia	23	1.9%
6	Canada	21	1.7%
7	Ukraine	13	1.1%
8	Slovakia	11	0.9%
9	Belgium	11	0.9%
10	Japan	10	0.8%
11	Brazil	9	0.7%
12	Czech Republic	9	0.7%
13	Korea, Republic of	8	0.7%
14	Netherlands	7	0.6%
15	Denmark	7	0.6%
16	India	6	0.5%
17	United Kingdom	6	0.5%
18	Thailand	6	0.5%
19	Hong Kong	5	0.4%
20	Argentina	4	0.3%
21	Cyprus	4	0.3%
22	Romania	4	0.3%
23	Sweden	3	0.2%
24	Spain	2	0.2%
25	Singapore	2	0.2%
26	Libya	2	0.2%
27	Jordan	2	0.2%
28	Bangladesh	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Ireland	2	0.2%
31	Chile	1	0.1%
32	Mexico	1	0.1%
33	Russia	1	0.1%
34	Norway	1	0.1%
35	Poland	1	0.1%
36	Switzerland	1	0.1%
37	Viet Nam	1	0.1%