Rank	Countries/Territories	Count	Percent
1	United States	445	39.1%
2	China	414	36.4%
3	Germany	109	9.6%
4	Netherlands	18	1.6%
5	Japan	13	1.1%
6	Australia	13	1.1%
7	Singapore	11	1%
8	India	10	0.9%
9	Hong Kong	9	0.8%
10	Canada	9	0.8%
11	Ukraine	9	0.8%
12	Taiwan	8	0.7%
13	Ghana	7	0.6%
14	United Kingdom	7	0.6%
15	Malaysia	6	0.5%
16	Iran, Islamic Republic of	5	0.4%
17	Italy	4	0.4%
18	Spain	4	0.4%
19	Russia	4	0.4%
20	Turkey	3	0.3%
21	Israel	3	0.3%
22	France	3	0.3%
23	Cyprus	3	0.3%
24	Denmark	3	0.3%
25	Egypt	2	0.2%
26	Bulgaria	2	0.2%
27	Philippines	2	0.2%
28	Sweden	1	0.1%
29	Switzerland	1	0.1%
30	Korea, Republic of	1	0.1%
31	Lithuania	1	0.1%
32	Mexico	1	0.1%
33	Mongolia	1	0.1%
34	Nepal	1	0.1%
35	Bolivia, Plurinational State of	1	0.1%
36	Brazil	1	0.1%
37	Iraq	1	0.1%
38	Ireland	1	0.1%