Rank	Countries/Territories	Count	Percent
1	United States	341	37%
2	China	282	30.6%
3	Germany	69	7.5%
4	Japan	40	4.3%
5	India	22	2.4%
6	Netherlands	13	1.4%
7	Singapore	13	1.4%
8	United Kingdom	12	1.3%
9	South Africa	11	1.2%
10	Taiwan	10	1.1%
11	Ireland	10	1.1%
12	Australia	10	1.1%
13	Canada	9	1%
14	Denmark	8	0.9%
15	Hong Kong	6	0.7%
16	Ghana	5	0.5%
17	Indonesia	4	0.4%
18	Iran, Islamic Republic of	4	0.4%
19	Bangladesh	4	0.4%
20	Brazil	4	0.4%
21	Norway	4	0.4%
22	Russia	4	0.4%
23	Turkey	4	0.4%
24	Thailand	3	0.3%
25	Mexico	3	0.3%
26	Cyprus	3	0.3%
27	France	3	0.3%
28	Italy	2	0.2%
29	Dominican Republic	2	0.2%
30	Korea, Republic of	2	0.2%
31	Malaysia	2	0.2%
32	Palestine, State of	2	0.2%
33	Philippines	2	0.2%
34	Ukraine	2	0.2%
35	Spain	1	0.1%
36	Poland	1	0.1%
37	Albania	1	0.1%
38	Algeria	1	0.1%
39	Argentina	1	0.1%
40	Viet Nam	1	0.1%