Rank	Countries/Territories	Count	Percent
1	China	183	31.6%
2	United States	142	24.5%
3	Bulgaria	44	7.6%
4	Japan	26	4.5%
5	Germany	16	2.8%
6	France	12	2.1%
7	Iran, Islamic Republic of	12	2.1%
8	United Kingdom	12	2.1%
9	Korea, Republic of	11	1.9%
10	Netherlands	10	1.7%
11	Romania	8	1.4%
12	Brazil	7	1.2%
13	Singapore	7	1.2%
14	Canada	6	1%
15	Bolivia, Plurinational State of	6	1%
16	Italy	6	1%
17	Mauritius	5	0.9%
18	South Africa	5	0.9%
19	Turkey	5	0.9%
20	Norway	4	0.7%
21	Australia	4	0.7%
22	Indonesia	4	0.7%
23	Hong Kong	4	0.7%
24	India	3	0.5%
25	Czech Republic	3	0.5%
26	Mexico	3	0.5%
27	Ireland	2	0.3%
28	Philippines	2	0.3%
29	Portugal	2	0.3%
30	Nigeria	2	0.3%
31	Lithuania	2	0.3%
32	Serbia	2	0.3%
33	Belgium	2	0.3%
34	Uganda	2	0.3%
35	Thailand	2	0.3%
36	Spain	2	0.3%
37	Sweden	1	0.2%
38	Switzerland	1	0.2%
39	Viet Nam	1	0.2%
40	Bangladesh	1	0.2%
41	Croatia	1	0.2%
42	Dominican Republic	1	0.2%
43	Finland	1	0.2%
44	Georgia	1	0.2%
45	Russia	1	0.2%
46	Iraq	1	0.2%
47	Latvia	1	0.2%