Rank	Countries/Territories	Count	Percent
1	United States	361	35.7%
2	China	318	31.5%
3	Germany	79	7.8%
4	France	41	4.1%
5	Russia	38	3.8%
6	Netherlands	19	1.9%
7	Japan	19	1.9%
8	Singapore	17	1.7%
9	Bulgaria	14	1.4%
10	Italy	12	1.2%
11	Australia	11	1.1%
12	Canada	8	0.8%
13	Cyprus	8	0.8%
14	Ukraine	8	0.8%
15	United Kingdom	7	0.7%
16		7	0.7%
17	Thailand	6	0.6%
18	Ireland	5	0.5%
19	Taiwan	4	0.4%
20	Nigeria	3	0.3%
21	Korea, Republic of	3	0.3%
22	Hong Kong	3	0.3%
23	India	2	0.2%
24	Bangladesh	2	0.2%
25	Benin	2	0.2%
26	Spain	2	0.2%
27	Turkey	2	0.2%
28	Sri Lanka	1	0.1%
29	Switzerland	1	0.1%
30	South Africa	1	0.1%
31	Philippines	1	0.1%
32	Senegal	1	0.1%
33	Brazil	1	0.1%
34	Argentina	1	0.1%
35	Finland	1	0.1%
36	Latvia	1	0.1%