Rank	Countries/Territories	Count	Percent
1	United States	333	38.4%
2	China	259	29.9%
3	Germany	67	7.7%
4	India	32	3.7%
5	United Kingdom	27	3.1%
6	Greece	20	2.3%
7	France	18	2.1%
8	Netherlands	12	1.4%
9	Japan	10	1.2%
10	Norway	10	1.2%
11	Iran, Islamic Republic of	9	1%
12	Taiwan	7	0.8%
13	Mexico	7	0.8%
14	Pakistan	6	0.7%
15	Hong Kong	5	0.6%
16	Cyprus	5	0.6%
17	Singapore	4	0.5%
18	Korea, Republic of	4	0.5%
19	Turkey	3	0.3%
20	Ukraine	3	0.3%
21	Azerbaijan	3	0.3%
22	Indonesia	3	0.3%
23	Australia	2	0.2%
24	Brunei Darussalam	2	0.2%
25	Canada	2	0.2%
26	Spain	2	0.2%
27	Italy	2	0.2%
28	Nigeria	1	0.1%
29	Malaysia	1	0.1%
30	Kenya	1	0.1%
31	Sweden	1	0.1%
32	Poland	1	0.1%
33	Belgium	1	0.1%
34	Brazil	1	0.1%
35	Denmark	1	0.1%
36	Egypt	1	0.1%
37	Ireland	1	0.1%