Rank	Countries/Territories	Count	Percent
1	China	228	38.4%
2	United States	192	32.4%
3	Germany	27	4.6%
4	Bulgaria	14	2.4%
5	Netherlands	13	2.2%
6	France	8	1.3%
7	Australia	7	1.2%
8	Canada	7	1.2%
9	Iraq	7	1.2%
10	Cyprus	6	1%
11	United Kingdom	6	1%
12	Singapore	5	0.8%
13	Portugal	5	0.8%
14	Ireland	4	0.7%
15	Cameroon	4	0.7%
16	Taiwan	4	0.7%
17	Viet Nam	4	0.7%
18	Saudi Arabia	3	0.5%
19	Hong Kong	3	0.5%
20	Japan	3	0.5%
21	Jordan	3	0.5%
22	Iran, Islamic Republic of	3	0.5%
23	Russia	2	0.3%
24	Norway	2	0.3%
25	Poland	2	0.3%
26	Latvia	2	0.3%
27	Mexico	2	0.3%
28	Israel	2	0.3%
29	Indonesia	2	0.3%
30	Brazil	2	0.3%
31	Denmark	2	0.3%
32	Egypt	2	0.3%
33	Switzerland	2	0.3%
34	Tanzania, United Republic of	2	0.3%
35	Thailand	1	0.2%
36	Turkey	1	0.2%
37	United Arab Emirates	1	0.2%
38	South Africa	1	0.2%
39	Ethiopia	1	0.2%
40	Bangladesh	1	0.2%
41	Chile	1	0.2%
42	Colombia	1	0.2%
43	Italy	1	0.2%
44	Mongolia	1	0.2%
45	Kenya	1	0.2%
46	Nigeria	1	0.2%
47	Romania	1	0.2%