Rank	Countries/Territories	Count	Percent
1	China	318	40.3%
2	United States	230	29.1%
3	Germany	52	6.6%
4	Singapore	28	3.5%
5	Bulgaria	27	3.4%
6	Netherlands	26	3.3%
7	Bangladesh	10	1.3%
8	Iraq	10	1.3%
9	Japan	7	0.9%
10	Latvia	7	0.9%
11	Argentina	6	0.8%
12	Australia	6	0.8%
13	Austria	6	0.8%
14	United Kingdom	6	0.8%
15	Canada	5	0.6%
16	France	5	0.6%
17	Malaysia	4	0.5%
18	Russia	4	0.5%
19	Iran, Islamic Republic of	3	0.4%
20	Taiwan	3	0.4%
21	Thailand	3	0.4%
22	Turkey	3	0.4%
23	Lithuania	3	0.4%
24	Moldova, Republic of	2	0.3%
25	Morocco	2	0.3%
26	Hong Kong	2	0.3%
27	Hungary	2	0.3%
28	Nigeria	2	0.3%
29	South Africa	2	0.3%
30	Sweden	2	0.3%
31	Poland	1	0.1%
32	Ukraine	1	0.1%
33	Korea, Republic of	1	0.1%
34	Brazil	1	0.1%