Rank	Countries/Territories	Count	Percent
1	China	180	27.4%
2	United States	171	26%
3	Germany	58	8.8%
4	Nigeria	29	4.4%
5	Netherlands	28	4.3%
6	Bulgaria	21	3.2%
7	Latvia	16	2.4%
8	Portugal	12	1.8%
9	South Africa	11	1.7%
10	Australia	11	1.7%
11	India	9	1.4%
12	Russia	9	1.4%
13	United Kingdom	9	1.4%
14	Ireland	8	1.2%
15	Japan	7	1.1%
16	Canada	7	1.1%
17	France	7	1.1%
18	Turkey	7	1.1%
19	Singapore	5	0.8%
20	Korea, Republic of	5	0.8%
21	Italy	5	0.8%
22	Poland	4	0.6%
23	Sweden	3	0.5%
24	Indonesia	3	0.5%
25	Iran, Islamic Republic of	3	0.5%
26	Hong Kong	3	0.5%
27	Slovenia	3	0.5%
28	Saudi Arabia	3	0.5%
29	Romania	2	0.3%
30	Mongolia	2	0.3%
31	Peru	2	0.3%
32	Egypt	2	0.3%
33	Brazil	2	0.3%
34	Argentina	1	0.2%
35	Bangladesh	1	0.2%
36	Bolivia, Plurinational State of	1	0.2%
37	Ethiopia	1	0.2%
38	Pakistan	1	0.2%
39	Mauritius	1	0.2%
40	Mexico	1	0.2%
41	Spain	1	0.2%
42	Ukraine	1	0.2%
43	Viet Nam	1	0.2%