Rank	Countries/Territories	Count	Percent
1	United States	250	31.9%
2	China	225	28.7%
3	Germany	63	8%
4	Ukraine	44	5.6%
5	Japan	27	3.4%
6	France	19	2.4%
7	Netherlands	15	1.9%
8	United Kingdom	15	1.9%
9	Norway	14	1.8%
10	India	13	1.7%
11	Bangladesh	11	1.4%
12	Turkey	9	1.1%
13	Singapore	7	0.9%
14	Australia	6	0.8%
15	Canada	6	0.8%
16	South Africa	5	0.6%
17	Spain	5	0.6%
18	Taiwan	5	0.6%
19	Russia	4	0.5%
20	Switzerland	4	0.5%
21	Malaysia	4	0.5%
22	Cyprus	4	0.5%
23	Chile	3	0.4%
24	Hong Kong	3	0.4%
25	Ireland	3	0.4%
26	Thailand	3	0.4%
27	Latvia	2	0.3%
28	Poland	2	0.3%
29	Iran, Islamic Republic of	2	0.3%
30	Denmark	2	0.3%
31	Argentina	2	0.3%
32	Bulgaria	1	0.1%
33	Italy	1	0.1%
34	Hungary	1	0.1%
35	Indonesia	1	0.1%
36	New Zealand	1	0.1%
37	Korea, Republic of	1	0.1%
38	Viet Nam	1	0.1%