Rank	Countries/Territories	Count	Percent
1	United States	470	40.7%
2	China	342	29.6%
3	Germany	77	6.7%
4	Japan	40	3.5%
5	India	22	1.9%
6	Singapore	17	1.5%
7	Netherlands	15	1.3%
8	United Kingdom	15	1.3%
9	Ireland	13	1.1%
10	Taiwan	12	1%
11	Canada	12	1%
12	Australia	12	1%
13	South Africa	11	1%
14	Denmark	8	0.7%
15	Hong Kong	8	0.7%
16	Iran, Islamic Republic of	8	0.7%
17	France	6	0.5%
18	Italy	6	0.5%
19	Ghana	5	0.4%
20	Cyprus	5	0.4%
21	Bangladesh	4	0.3%
22	Brazil	4	0.3%
23	Indonesia	4	0.3%
24	Korea, Republic of	4	0.3%
25	Norway	4	0.3%
26	Russia	4	0.3%
27	Turkey	4	0.3%
28	Thailand	3	0.3%
29	Mexico	3	0.3%
30	Ukraine	2	0.2%
31	Palestine, State of	2	0.2%
32	Philippines	2	0.2%
33	Malaysia	2	0.2%
34	Dominican Republic	2	0.2%
35	Albania	1	0.1%
36	Algeria	1	0.1%
37	Argentina	1	0.1%
38	Poland	1	0.1%
39	Spain	1	0.1%
40	Viet Nam	1	0.1%