Rank	Countries/Territories	Count	Percent
1	United States	406	38.3%
2	China	326	30.8%
3	Germany	75	7.1%
4	Japan	40	3.8%
5	India	22	2.1%
6	United Kingdom	15	1.4%
7	Netherlands	14	1.3%
8	Singapore	13	1.2%
9	Australia	12	1.1%
10	South Africa	11	1%
11	Taiwan	10	0.9%
12	Ireland	10	0.9%
13	Canada	9	0.8%
14	Hong Kong	8	0.8%
15	Iran, Islamic Republic of	8	0.8%
16	Denmark	8	0.8%
17	France	6	0.6%
18	Italy	6	0.6%
19	Ghana	5	0.5%
20	Cyprus	5	0.5%
21	Bangladesh	4	0.4%
22	Brazil	4	0.4%
23	Indonesia	4	0.4%
24	Korea, Republic of	4	0.4%
25	Norway	4	0.4%
26	Turkey	4	0.4%
27	Russia	4	0.4%
28	Mexico	3	0.3%
29	Thailand	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%