Rank	Countries/Territories	Count	Percent
1	United States	658	44.4%
2	China	447	30.1%
3	Germany	82	5.5%
4	India	49	3.3%
5	Russia	48	3.2%
6	Japan	39	2.6%
7	Korea, Republic of	27	1.8%
8	United Kingdom	19	1.3%
9	Spain	11	0.7%
10	Australia	10	0.7%
11	Canada	9	0.6%
12	Hong Kong	8	0.5%
13	Ireland	7	0.5%
14	Saudi Arabia	7	0.5%
15	Italy	7	0.5%
16	Netherlands	6	0.4%
17	Singapore	6	0.4%
18	Cyprus	5	0.3%
19	Argentina	4	0.3%
20	Taiwan	4	0.3%
21	Romania	4	0.3%
22	Ethiopia	3	0.2%
23	Iran, Islamic Republic of	2	0.1%
24	Brazil	2	0.1%
25	Czech Republic	2	0.1%
26	Poland	2	0.1%
27	Malaysia	2	0.1%
28	Switzerland	2	0.1%
29	Ukraine	2	0.1%
30	Mongolia	1	0.1%
31	Thailand	1	0.1%
32	Sweden	1	0.1%
33	South Africa	1	0.1%
34	Serbia	1	0.1%
35	Denmark	1	0.1%
36	Israel	1	0.1%
37	France	1	0.1%
38	Hungary	1	0.1%