Rank	Countries/Territories	Count	Percent
1	United States	466	35.7%
2	China	460	35.2%
3	Germany	104	8%
4	Japan	42	3.2%
5	Russia	39	3%
6	Singapore	24	1.8%
7	France	23	1.8%
8	Ethiopia	22	1.7%
9	Canada	17	1.3%
10	Netherlands	15	1.1%
11	India	13	1%
12	United Kingdom	12	0.9%
13	Australia	11	0.8%
14	Cyprus	6	0.5%
15	Iran, Islamic Republic of	6	0.5%
16	Latvia	6	0.5%
17	Argentina	5	0.4%
18	Switzerland	4	0.3%
19	Taiwan	4	0.3%
20	Ukraine	4	0.3%
21	Hong Kong	3	0.2%
22	Romania	3	0.2%
23	Ireland	3	0.2%
24	Ghana	2	0.2%
25	Malaysia	2	0.2%
26	Korea, Republic of	2	0.2%
27	Bulgaria	2	0.2%
28	South Africa	2	0.2%
29	Sweden	1	0.1%
30	Saudi Arabia	1	0.1%
31	Norway	1	0.1%
32	Philippines	1	0.1%