Rank	Countries/Territories	Count	Percent
1	China	309	36.8%
2	United States	255	30.4%
3	Germany	47	5.6%
4	Canada	36	4.3%
5	Netherlands	31	3.7%
6	Ukraine	19	2.3%
7	Bulgaria	17	2%
8	France	16	1.9%
9	Spain	14	1.7%
10	Switzerland	11	1.3%
11	Latvia	10	1.2%
12	Japan	7	0.8%
13	Iran, Islamic Republic of	6	0.7%
14	Singapore	6	0.7%
15	United Kingdom	6	0.7%
16	Viet Nam	5	0.6%
17	Italy	5	0.6%
18	India	5	0.6%
19	Thailand	4	0.5%
20	Korea, Republic of	3	0.4%
21	Cyprus	3	0.4%
22	Morocco	3	0.4%
23	Egypt	2	0.2%
24	Australia	2	0.2%
25	Belgium	2	0.2%
26	Sweden	2	0.2%
27	Nigeria	2	0.2%
28	Portugal	2	0.2%
29	Russia	2	0.2%
30	South Africa	1	0.1%
31	Lithuania	1	0.1%
32	New Zealand	1	0.1%
33	Turkey	1	0.1%
34	Argentina	1	0.1%
35	Bangladesh	1	0.1%
36	Indonesia	1	0.1%
37	Georgia	1	0.1%