Rank	Countries/Territories	Count	Percent
1	China	160	34.3%
2	United States	102	21.9%
3	Bulgaria	37	7.9%
4	Japan	17	3.6%
5	Germany	13	2.8%
6	Iran, Islamic Republic of	12	2.6%
7	Korea, Republic of	11	2.4%
8	France	10	2.1%
9	United Kingdom	10	2.1%
10	Romania	8	1.7%
11	Netherlands	7	1.5%
12	Singapore	7	1.5%
13	Brazil	7	1.5%
14	Canada	6	1.3%
15	Bolivia, Plurinational State of	6	1.3%
16	South Africa	5	1.1%
17	Mauritius	5	1.1%
18	Indonesia	4	0.9%
19	Hong Kong	4	0.9%
20	India	3	0.6%
21	Belgium	2	0.4%
22	Australia	2	0.4%
23	Mexico	2	0.4%
24	Ireland	2	0.4%
25	Italy	2	0.4%
26	Spain	2	0.4%
27	Philippines	2	0.4%
28	Lithuania	2	0.4%
29	Serbia	2	0.4%
30	Thailand	2	0.4%
31	Turkey	1	0.2%
32	Viet Nam	1	0.2%
33	Russia	1	0.2%
34	Sweden	1	0.2%
35	Switzerland	1	0.2%
36	Iraq	1	0.2%
37	Latvia	1	0.2%
38	Bangladesh	1	0.2%
39	Croatia	1	0.2%
40	Czech Republic	1	0.2%
41	Finland	1	0.2%
42	Georgia	1	0.2%