Rank	Countries/Territories	Count	Percent
1	United States	471	38%
2	China	384	31%
3	Germany	177	14.3%
4	India	37	3%
5	Canada	29	2.3%
6	France	18	1.5%
7	Australia	16	1.3%
8	Korea, Republic of	14	1.1%
9	Singapore	10	0.8%
10	Netherlands	9	0.7%
11	Cyprus	9	0.7%
12	Uganda	7	0.6%
13	Denmark	6	0.5%
14	Japan	5	0.4%
15	Russia	5	0.4%
16	United Kingdom	4	0.3%
17	Pakistan	4	0.3%
18	Malaysia	4	0.3%
19	Ireland	4	0.3%
20	Hong Kong	3	0.2%
21	Lithuania	3	0.2%
22	Ukraine	2	0.2%
23	South Africa	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Egypt	2	0.2%
26	Bangladesh	2	0.2%
27	Cameroon	2	0.2%
28	Argentina	1	0.1%
29	Brazil	1	0.1%
30	Switzerland	1	0.1%
31	Taiwan	1	0.1%
32	Thailand	1	0.1%
33	Mongolia	1	0.1%
34	Somalia	1	0.1%