Rank	Countries/Territories	Count	Percent
1	China	218	39.6%
2	United States	173	31.4%
3	Germany	26	4.7%
4	Bulgaria	14	2.5%
5	France	8	1.5%
6	Australia	7	1.3%
7	Canada	7	1.3%
8	Iraq	7	1.3%
9	Netherlands	7	1.3%
10	United Kingdom	6	1.1%
11	Portugal	5	0.9%
12	Cyprus	5	0.9%
13	Cameroon	4	0.7%
14	Singapore	4	0.7%
15	Ireland	4	0.7%
16	Viet Nam	4	0.7%
17	Taiwan	4	0.7%
18	Iran, Islamic Republic of	3	0.5%
19	Japan	3	0.5%
20	Jordan	3	0.5%
21	Latvia	2	0.4%
22	Mexico	2	0.4%
23	Israel	2	0.4%
24	Russia	2	0.4%
25	Norway	2	0.4%
26	Poland	2	0.4%
27	Denmark	2	0.4%
28	Egypt	2	0.4%
29	Brazil	2	0.4%
30	Hong Kong	2	0.4%
31	Indonesia	2	0.4%
32	Switzerland	2	0.4%
33	Tanzania, United Republic of	2	0.4%
34	Thailand	1	0.2%
35	Turkey	1	0.2%
36	United Arab Emirates	1	0.2%
37	Ethiopia	1	0.2%
38	Bangladesh	1	0.2%
39	Chile	1	0.2%
40	Colombia	1	0.2%
41	Nigeria	1	0.2%
42	Saudi Arabia	1	0.2%
43	South Africa	1	0.2%
44	Italy	1	0.2%
45	Mongolia	1	0.2%
46	Kenya	1	0.2%