Rank	Countries/Territories	Count	Percent
1	United States	607	44.3%
2	China	484	35.3%
3	Germany	120	8.8%
4	Turkey	23	1.7%
5	Japan	15	1.1%
6	Russia	14	1%
7	India	13	0.9%
8	Norway	8	0.6%
9	Italy	7	0.5%
10	Latvia	7	0.5%
11	Netherlands	7	0.5%
12	France	7	0.5%
13	Hong Kong	6	0.4%
14	United Kingdom	6	0.4%
15	Brazil	5	0.4%
16	Cyprus	4	0.3%
17	Canada	4	0.3%
18	Korea, Republic of	3	0.2%
19	Bulgaria	3	0.2%
20	Bangladesh	3	0.2%
21	Ukraine	3	0.2%
22	Nigeria	3	0.2%
23	Singapore	3	0.2%
24	Spain	2	0.1%
25	Switzerland	2	0.1%
26	Argentina	2	0.1%
27	Denmark	2	0.1%
28	Iran, Islamic Republic of	2	0.1%
29	Australia	1	0.1%
30	Benin	1	0.1%
31	Uganda	1	0.1%
32	Sweden	1	0.1%
33	Mauritius	1	0.1%