Rank	Countries/Territories	Count	Percent
1	United States	377	39.9%
2	China	272	28.8%
3	Germany	75	7.9%
4	India	33	3.5%
5	United Kingdom	27	2.9%
6	Greece	20	2.1%
7	France	18	1.9%
8	Netherlands	12	1.3%
9	Japan	10	1.1%
10	Norway	10	1.1%
11	Iran, Islamic Republic of	9	1%
12	Taiwan	7	0.7%
13	Mexico	7	0.7%
14	Pakistan	6	0.6%
15	Russia	6	0.6%
16	Hong Kong	6	0.6%
17	Cyprus	5	0.5%
18	Singapore	4	0.4%
19	Korea, Republic of	4	0.4%
20	Turkey	3	0.3%
21	Ukraine	3	0.3%
22	Canada	3	0.3%
23	Australia	3	0.3%
24	Azerbaijan	3	0.3%
25	Indonesia	3	0.3%
26	Ecuador	2	0.2%
27	Brunei Darussalam	2	0.2%
28	Spain	2	0.2%
29	Italy	2	0.2%
30	Kenya	1	0.1%
31	Malaysia	1	0.1%
32	Nigeria	1	0.1%
33	Sweden	1	0.1%
34	Poland	1	0.1%
35	Denmark	1	0.1%
36	Belgium	1	0.1%
37	Brazil	1	0.1%
38	Egypt	1	0.1%
39	Ireland	1	0.1%