Rank	Countries/Territories	Count	Percent
1	United States	427	30.8%
2	China	409	29.5%
3	United Kingdom	72	5.2%
4	Germany	59	4.3%
5	Australia	52	3.7%
6	Korea, Republic of	52	3.7%
7	Poland	52	3.7%
8	Netherlands	42	3%
9	Nigeria	23	1.7%
10	France	18	1.3%
11	Japan	18	1.3%
12	Russia	17	1.2%
13	Iran, Islamic Republic of	15	1.1%
14	Bulgaria	14	1%
15	Sweden	11	0.8%
16	Denmark	10	0.7%
17	Belgium	9	0.6%
18	Singapore	8	0.6%
19	Brazil	7	0.5%
20	Hong Kong	7	0.5%
21	Croatia	6	0.4%
22	South Africa	6	0.4%
23	Cyprus	5	0.4%
24	India	5	0.4%
25	Switzerland	5	0.4%
26	Egypt	4	0.3%
27	Canada	4	0.3%
28	Ireland	3	0.2%
29	Norway	3	0.2%
30	Thailand	3	0.2%
31	Ukraine	3	0.2%
32	Oman	2	0.1%
33	Pakistan	2	0.1%
34	Romania	2	0.1%
35	Cote D'ivoire	2	0.1%
36	Chile	1	0.1%
37	Indonesia	1	0.1%
38	Greece	1	0.1%
39	Spain	1	0.1%
40	Philippines	1	0.1%
41	Malaysia	1	0.1%
42	Mexico	1	0.1%
43	Moldova, Republic of	1	0.1%
44	United Arab Emirates	1	0.1%
45	Taiwan	1	0.1%