Rank	Countries/Territories	Count	Percent
1	United States	390	42.6%
2	China	259	28.3%
3	Germany	82	9%
4	Japan	20	2.2%
5	France	17	1.9%
6	Korea, Republic of	14	1.5%
7	Singapore	13	1.4%
8	Iran, Islamic Republic of	12	1.3%
9	Egypt	11	1.2%
10	Canada	11	1.2%
11	Netherlands	10	1.1%
12	Russia	9	1%
13	United Kingdom	9	1%
14	India	9	1%
15	Cyprus	6	0.7%
16	Switzerland	6	0.7%
17	Australia	5	0.5%
18	Hong Kong	4	0.4%
19	Palestine, State of	3	0.3%
20	Viet Nam	2	0.2%
21	Thailand	2	0.2%
22	Spain	2	0.2%
23	Malaysia	2	0.2%
24	Ireland	2	0.2%
25	Israel	2	0.2%
26	Austria	2	0.2%
27	Brazil	2	0.2%
28	Finland	2	0.2%
29	Argentina	1	0.1%
30	Hungary	1	0.1%
31	Greece	1	0.1%
32	Mexico	1	0.1%
33	Saudi Arabia	1	0.1%
34	Norway	1	0.1%
35	Sweden	1	0.1%