Rank	Countries/Territories	Count	Percent
1	China	305	38.7%
2	United States	217	27.5%
3	Germany	47	6%
4	Canada	36	4.6%
5	Netherlands	30	3.8%
6	Ukraine	19	2.4%
7	Bulgaria	17	2.2%
8	France	15	1.9%
9	Spain	14	1.8%
10	Switzerland	11	1.4%
11	Latvia	10	1.3%
12	Japan	7	0.9%
13	Singapore	6	0.8%
14	Viet Nam	5	0.6%
15	Italy	5	0.6%
16	India	5	0.6%
17	Iran, Islamic Republic of	4	0.5%
18	Thailand	4	0.5%
19	Korea, Republic of	3	0.4%
20	Cyprus	3	0.4%
21	Morocco	3	0.4%
22	Egypt	2	0.3%
23	Australia	2	0.3%
24	Belgium	2	0.3%
25	Sweden	2	0.3%
26	Nigeria	2	0.3%
27	Portugal	2	0.3%
28	Russia	2	0.3%
29	South Africa	1	0.1%
30	Lithuania	1	0.1%
31	New Zealand	1	0.1%
32	Turkey	1	0.1%
33	United Kingdom	1	0.1%
34	Argentina	1	0.1%
35	Bangladesh	1	0.1%
36	Indonesia	1	0.1%
37	Georgia	1	0.1%