Rank	Countries/Territories	Count	Percent
1	China	257	42.8%
2	United States	121	20.1%
3	Korea, Republic of	40	6.7%
4	Japan	24	4%
5	Singapore	20	3.3%
6	Indonesia	15	2.5%
7	Germany	14	2.3%
8	Netherlands	13	2.2%
9	Iran, Islamic Republic of	12	2%
10	Burkina Faso	10	1.7%
11	India	7	1.2%
12	Malaysia	6	1%
13	Taiwan	6	1%
14	Norway	6	1%
15	Latvia	4	0.7%
16	Canada	4	0.7%
17	France	3	0.5%
18	Bulgaria	3	0.5%
19	Ireland	3	0.5%
20	Israel	3	0.5%
21	Tanzania, United Republic of	3	0.5%
22	United Kingdom	3	0.5%
23	Saudi Arabia	2	0.3%
24	Lebanon	2	0.3%
25	Luxembourg	2	0.3%
26	Jordan	2	0.3%
27	Brazil	2	0.3%
28	Argentina	2	0.3%
29	Australia	1	0.2%
30	Kenya	1	0.2%
31	Greece	1	0.2%
32	Hong Kong	1	0.2%
33	Pakistan	1	0.2%
34	Portugal	1	0.2%
35	Romania	1	0.2%
36	Russia	1	0.2%
37	Moldova, Republic of	1	0.2%
38	Spain	1	0.2%
39	Sweden	1	0.2%
40	Viet Nam	1	0.2%